谁可以给我澳大利亚民歌〈剪羊毛〉的英文歌词啊？

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

outercourse的意思是外层，外层outercourse不性交也能获得高潮快感;非性交性快感sexual stimulation without vaginal penetrationsince pregnancy cannot happen if sperm are kept out of the vagina, outercourse is one method of birth control

outercourse具体操作方法是口交、手交、肛门刺激等。英语（English）是印欧语系-日耳曼语族下的语言，由26个字母组合而成，英文字母渊源于拉丁字母，拉丁字母渊源于希腊字母，而希腊字母则是由腓尼基字母演变而来的。英语是国际指定的官方语言（作为母语），也是世界上最广泛的第一语言，英语包含约49万词，外加技术名词约30万个，是词汇最多的语言，也是欧盟以及许多国际组织以及英联邦国家的官方语言，拥有世界第三位的母语使用者人数，仅次于汉语和西班牙语母语使用者人数。英语由古代从丹麦等斯堪的纳维亚半岛以及德国、荷兰及周边移民至不列颠群岛的盎格鲁、撒克逊以及朱特部落的白人所说的语言演变而来，并通过英国的殖民活动传播到了世界各地。由于在历史上曾和多种民族语言接触，它的词汇从一元变为多元，语法从“多屈折”变为“少屈折”，语音也发生了规律性的变化。在19至20世纪，英国以及美国在文化、经济、军事、政治和科学在世界上的领先地位使得英语成为一种国际语言。如今，许多国际场合都使用英语做为沟通媒介。

新建两张表：表1：student 截图如下：表2：course 截图如下：（此时这样建表只是为了演示连接SQL语句，当然实际开发中我们不会这样建表，实际开发中这两个表会有自己不同的主键。）一、外连接外连接可分为：左连接、右连接、完全外连接。1、左连接 leftjoin或leftouterjoinSQL语句：select*fromstudentleftjoincourseonstudent.ID=course.ID执行结果：左外连接包含leftjoin左表所有行，如果左表中某行在右表没有匹配，则结果中对应行右表的部分全部为空(NULL).注：此时我们不能说结果的行数等于左表数据的行数。当然此处查询结果的行数等于左表数据的行数，因为左右两表此时为一对一关系。2、右连接 rightjoin或rightouterjoinSQL语句：select*fromstudentrightjoincourseonstudent.ID=course.ID执行结果：右外连接包含rightjoin右表所有行，如果左表中某行在右表没有匹配，则结果中对应左表的部分全部为空(NULL)。注：同样此时我们不能说结果的行数等于右表的行数。当然此处查询结果的行数等于左表数据的行数，因为左右两表此时为一对一关系。3、完全外连接 fulljoin或fullouterjoinSQL语句：select*fromstudentfulljoincourseonstudent.ID=course.ID执行结果：完全外连接包含fulljoin左右两表中所有的行，如果右表中某行在左表中没有匹配，则结果中对应行右表的部分全部为空(NULL)，如果左表中某行在右表中没有匹配，则结果中对应行左表的部分全部为空(NULL)。二、内连接 join 或innerjoinSQL语句：select*fromstudentinnerjoincourseonstudent.ID=course.ID执行结果：innerjoin是比较运算符，只返回符合条件的行。此时相当于：select*fromstudent,coursewherestudent.ID=course.ID三、交叉连接crossjoin1.概念：没有WHERE子句的交叉联接将产生连接所涉及的表的笛卡尔积。第一个表的行数乘以第二个表的行数等于笛卡尔积结果集的大小。SQL语句：select*fromstudentcrossjoincourse执行结果：如果我们在此时给这条SQL加上WHERE子句的时候比如SQL:select*fromstudentcrossjoincoursewherestudent.ID=course.ID此时将返回符合条件的结果集，结果和innerjoin所示执行结果一样。四、两表关系为一对多，多对一或多对多时的连接语句当然上面两表为一对一关系，那么如果表A和表B为一对多、多对一或多对多的时候，我们又该如何写连接SQL语句呢？其实两表一对多的SQL语句和一对一的SQL语句的写法都差不多，只是查询的结果不一样，当然两表也要略有改动。比如表1的列可以改为：SnoNameCno表2的列可以改为：CnoCName这样两表就可以写一对多和多对一的SQL语句了，写法和上面的一对一SQL语句一样。下面介绍一下当两表为多对多的时候我们该如何建表以及些SQL语句。新建三表：表A: student截图如下：表B: course截图如下：表C: student_course截图如下：一个学生可以选择多门课程，一门课程可以被多个学生选择，因此学生表student和课程表course之间是多对多的关系。当两表为多对多关系的时候，我们需要建立一个中间表student_course，中间表至少要有两表的主键，当然还可以有别的内容。SQL语句：selects.Name,C.Cnamefromstudent_courseasscleftjoinstudentassons.Sno=sc.Snoleftjoincourseasconc.Cno=sc.Cno执行结果：此条SQL执行的结果是学生选课的情况。

(1) select s.sname from student s, sc where s.sno=sc.sno group by sc.sno having sum(sc.cno)>3

Unit 1honest adj 诚实的；正直的brave adj 勇敢的Loyal adj 忠诚的；忠心的wise adj 英明的；明智的；聪明的handsome adj 英俊的；大方的；美观的smart adj 聪明的；漂亮的；敏捷的argue vt 争论；辩论△solution n 解答；解决办法；解决方案classical adj 古典的；古典文学的△Steve 史蒂夫（男子名）fond adj 喜爱的；多情的；喜欢的fond of 喜欢；爱好△Sarah n 莎拉；萨拉（女子名）△Joe 乔（男子名）match n 火柴mirror n 镜子fry vt＆vi 油煎；油炸gun n 炮；枪hammer n 锤子；槌saw n＆vt＆vi 锯rope n 绳；索；绳索△compass n 罗盘；指南针movie n 电影cast vt＆vi 投掷；投射；抛△Tom Hanks 汤姆?汉克斯（美国男影星）△Chuck Noland 查克?诺兰德（男子名）△survive vt 幸免于；从……中生还 vi 幸存deserted adj 荒芜的；荒废的hunt vt＆vi＆n 打猎；猎取；搜寻hunt for 搜索，追寻；寻找in order to 为了△Wilson 威尔逊（男子名）share vt＆vi 分享；共有；分配 n 共享；份额sorrow n 悲哀；悲痛care about 担心；关心feeling n．触觉；知觉；感觉；情绪such as 例如airplane n 飞机△parachute n 降落伞lie n 谎话；谎言speech n 演说；讲话；语音adventure n＆vt＆vi 冒险；冒险经历notebook n 笔记本；笔记本式电脑△scared adj 恐惧的△e-pal n 网友△South Carolina 南卡罗来纳州（美国州名）drop * a line 给某人写信（通常指写短信〉△formal adj 正式的；正规的error n 错误；差错Unit 2△Nancy 南希（女子名）bathroom n 浴室；盥洗室；厕所make oneself at home 别客气towel n 毛巾△landlady n 女房东；老板娘closet n 壁橱；储藏室△Karen 卡伦（女子名）pronounce v 发音；宣告；断言△Thompson 汤普森（姓氏）broad adj 宽的repeat vt＆vi 重做；重复；复述 n 重复；反复△Dave 戴夫（男子名）△ketchup n 蕃茄酱；蕃茄沙司majority n 多数；大半native adj 本国的；本地的 n 本地人；本国人total n 总数；合计 adj 总的；全部的；整个的in total 总共△the United Kingdom 英国tongue n 舌头；语言；口语△mother tongue 母语equal adj 相等的；胜任的 vt 等于；比得上government n 政府；内阁situation n 情形；境遇；（建筑物等的）位置△Pakistan n 巴基斯坦（南亚国家）△Nigeria n 尼日利亚（非洲国家）△the Philippines 菲律宾共和国；菲律宾群岛except for 除了……之外international adj 国际的；世界的organization n 组织；机构；团体trade n 贸易；商业tourism n 旅游；观光global adj 全球的；球形的communicate vi 交际；沟通；传达（感情、信息等）communication n 交流；通讯；通信exchange vt＆n 交换；交流；兑换service n 服务，服务性工作signal n 信号movement n 运动；动作；运转△peg n 钉；栓；桩commander n 司令官；指挥官tidy vt＆vi 整理：收拾 adj 整齐的；整洁的stand n 台；看台；摊，摊位stay up 不睡，熬夜come about 发生independent adj 独立自主的fall n 秋天；瀑布expression n 短语；表情end up with …告终typhoon n 台风△tornado n 旋风；龙卷风△Spanish n 西班牙语；西班牙人adj 西班牙（人、语）的△Noah Webster 诺厄?韦伯斯特（美国词典编纂家）publish vt 发表；出版；公布southern adj 南方的；南部的△statement n 陈述；声明；综述president n 总统；校长；行长；会长European adj 欧洲的；欧洲人的bring in 引进；引来△Florida 佛罗里达（美国州名）a great many 许许多多；极多howl vi＆n 嚎叫；怒吼；嚎哭cookbook n 食谱compare vt 比较replace vt 替换Unit 3consider vt 考虑；照顾；认为means n 手段；方法transportation n 运输；运送board n 上（船、飞机等）△destination n 目的地experience vt＆n 体验；经历；经验simply adv 仅仅；只不过；简单地；完全；简直get away from 逃离△raft vi 乘筏 n 木筏vacation n 假期；休假nature n 自然；自然界；本性basic adj 基本的 n 基本；要素equipment n 装备；设备simple adj 简单的△backpack n 背包tip n 指点；忠告；尖端；小费watch out 注意；当心△spider n 蜘蛛poisonous adj 有毒的；有害的；恶毒的protect sb／sth from 保护、保卫某人（某事物）△cellphone n 手机paddle vi 划桨；涉水。vt 用桨划 n 短桨；划桨stream n 溪；川；流normal adj 正常的；正规的；标准的 n 正规；常态excitement n 刺激；兴奋；激动adventurous adj 喜欢冒险的；充满危险的handle vt *作； 处理 n 柄；把手similarity n 类似；类似处particular adj 特别的；特殊的poison n 毒药；毒害 vt＆vi 毒害；投毒separate adj 单独的；分开的 vt 分开；隔离see * off 到火车站、飞机场等处为某人送行eco-travel n 生态旅游combine vt＆vi （使）联合；（使）结合on the other hand 另一方面△responsibly adv 负责地as well as 也；还；而且task n 任务；作业△unpack vt＆vi 打开（包裹、行李等）；卸货Unit 4unforgettable adj 难忘的△seismograph n 地动仪；测震仪△Howard Carter 霍华德?卡特king n 国王△King Tut 图特王（古埃及国王）host vt 主办或主持某活动 n 主人△Hank Stram 汉克?斯图拉姆take place 发生；产生on fire 失火scare vt 恐吓 vi 受惊吓disaster n 灾难；灾祸finally adv 最后；终于rescue n ＆vt 援救；营救△Flora 弗洛拉（女子名）△roar n 轰鸣；咆哮；怒号advance vt＆ vi 前进；提前n 前进；提升upon prep 在……之上seize vt 抓住；逮住；夺取swallow vt 咽；淹没；吞没n 吞咽；燕子drag vt 拖；拖曳pull * up 把....往上曳struggle vi 努力；挣扎；奋斗n 竞争；努力；奋斗get on one"s feet 站立起来fight vi 搏斗；斗争；争吵f1ow n＆vi 流动fright n 惊骇；吃惊shake n＆vt 震动； 颤抖 vt 摇动；摇△stair n （阶梯的）一级；楼梯△boom n 隆隆声 vt＆vi 发隆隆声strike vt＆vi 击打；打动△crack vi 发破裂声；劈啪地响go through 通过；经受；仔细检查destroy vt 摧毁；毁坏tower n 塔；城堡national adj 国家的；民族的deadline n 截止时间；最终期限fear n 害怕；担心 vt＆vi 害怕；畏惧opportunity n 机会；时机on holiday 在度假△Kevin 凯文（男子名）article n 文章；论文△couch n （坐卧两用的）长沙发△workaholic n 工作狂Buddha n 佛； 佛像； 佛陀agent n 代理（商）， 经纪人travel agent 旅行社代理人temple n 庙；寺；神殿touch vt＆vi 触摸； （使）接触；感动n 接触；联系naughty adj 顽皮的；淘气的peanut n 花生note n 笔记；注释；纸币Unit 5silver n 银；银子silver screen 银幕；电影（业）△Bicentennial Man 《变人》（电影名）△Jurassic Park 《侏罗纪公园》（电影名）△Mulan 《花木兰》（电影名）hero n 英雄；男主角；男主人公scene n 场面；情景；布景△Malcolm Langland 马尔科姆?朗兰（男子名）law n 法律；法学；规律career n 事业；生涯△Meryl Streep 梅丽尔?斯特里普（美国著名女影星）drama n 戏剧；戏剧艺术role n 角色actress n 女演员award n 奖；奖品△Julia 朱莉娅（女子名）△Oscar n 奥斯卡Kramer vs Kramer 《克莱默夫妇》（电影名）prize n 奖赏；奖金；奖品△Sophie 索菲（女子名）choice n 选择；抉择；精选品△Sophie"s Choice 《索菲的抉择》（电影名）△Keanu Reeves 基努?里维斯（美国男影星）△Lebanon n 黎巴嫩（亚洲国家）degree n 学位；度数；度；程度△Hollywood n 好莱坞；美国电影业△stepfather n 继父director n 导演；主任；理事；董事speed vt＆vi 加快；速飞；飞跑 。 n 速度△Speed 《生死时速》（电影名）△The Matrix 《黑客帝国》（电影名）△Hardball 《临时教练》（电影名）△Steven Spielberg 史蒂文?斯皮尔伯格（美国著名导演）script n 剧本；手稿；手迹actor n 男演员；行动者academy n 学院studio n 摄影棚（场）；演播室；画室；工作室take off 成功；成名；脱掉（衣服）；（飞机）起飞△Jaws 《大白鲨》（电影名〉△blockbuster n 消耗巨资拍摄的影片；大片creature n 生物；动物outer adj 外部的；外面的△ET 《外星人ET》（美国科幻影片）△Elliott 埃利奥特（男子名）adult n 成人 ； 成年人go wrong 走错路，误入歧途；不对头；出毛病follow-up n 后续△Schindler"s List 《辛德勒的名单》（电影名）△Saving Private Ryan 《拯救大兵瑞恩》（电影名）cruelty n 残忍；残酷peace n 和平；和睦；安宁industry n 工业；行业；产业owe vt＆vi 欠（债等）；感激；把……归功于owe sth to * 把……归功于某人happiness n 幸福；快乐△Cate Capshaw 凯特?开普肖in all 总共；总之accept vt 接受；认可vi 同意；承认icy adj 寒冷的；冰冷的△Vincent van Gogh 文森特?凡?高（荷兰画家）stay away 不在家；外出primary adj 初等教育的；最早的；首要的primary school 小学leader n 领导者；指挥者；首领lock * up 将某人锁于某处不得进出；将某人监禁起来run fter追赶bring * back 送回某人determine vi 决定；决心live adv 现场地；直播地 adj 实况转播的；活的；生动的；精力充沛的on the air 正在播出的boss n 老板；上司comment n＆vt 评论；注释；意见action n 动作；情节；作用；举动think highly of 对……高度评价Unit 6interrupt vt＆vi 打断；中断；插嘴△Jordan 乔丹（男子名）△Cliff 克里夫（男子名）apo1ogise vi ＜英＞=apologize（美）道歉fault n 过错；缺点；故障；毛病 vt 挑剔 vi 弄错introduce vt 介绍；引进；∶腿出apology n 道歉forgive vt 原谅；饶恕oops int 哎哟（表示惊讶、沮丧、狼狈、轻度道歉等）culture n 文化；文明manner n 方式；样式；方法manners n 礼貌；；规矩impression n 印象；感想toast n 干杯；烤面包（片）；吐司面包 vt 敬酒；烤（面包等） vi 烤火；烘behave vt＆vi 举动；举止；行为表现napkin n 餐巾；餐巾纸roll n 面包圈；卷形物 vi 滚动；卷dessert n 甜点unfold vt 打开；显露；阐明lap n （坐时的）大腿前部；膝盖damp adj 潮湿的cloth n 布；织物；衣料custom n 习惯；风俗starter n 第一道菜；开端；起动器pray vi 祈祷；恳求；请course n 一道菜；过程；课程breast n 胸部；胸怀△tender adj 嫩的；温柔的；软弱的flesh n 肉；（供食用的）肉；果肉bone n 骨；骨头raise vt 举起；提高；唤起；饲养△sip vt＆vi＆n 抿一小口advice n 忠告, 建议△fashion n 流行；时尚；方式△formal adj 正式的；正规的spirit n 烈酒（常用复数）；精神；情绪impolite adj 无礼的；粗鲁的mix vt( 使）混和；混淆wing n 翅膀；机翼extra adj 额外的；外加的；特大的△comma n 逗点；逗号leave out 省去；遗漏；不考虑△Paula 保拉（女子名）△Ellen 埃伦（女子名）△Andrew 安德鲁（男子名）△Lisa 利萨（女子名）childhood n 孩童时期；童年时代△Amy 艾米（女子名）stare vi 凝视；盯着看stare at 盯着make jokes about * 以某人为笑柄disabled adj 伤残的；残疾的Unit 7cultural n 文化的△relic n 遗物；遗迹；纪念物pyramid n （古代埃及的）金字塔；锥体△Egypt n 埃及△Stonehenge n 史前巨石柱（英国）△statue n 雕像capsule n 太空舱； 胶囊represent vt 代表； 表现include vt 包括；包含△Neva n 涅瓦河（俄罗斯西北部河流）△St.Petersburg 圣彼得堡（俄罗斯城市）△Czar n （俄国）沙皇△fairy tale n 神话；童话；谎言give in 让步；投降ruin n 废墟；遗迹；毁灭；崩溃in ruins 成为废墟；遭到严重破坏burn vt 焚烧；烧焦；点（灯）restore vt 修复；重建△Nazi n 纳粹党人rebuild vt 重建；复原；改造bring…back to life 使苏醒；使生动；使活泼beauty n 美；美景；美好的东西photograph n 照片portrait n 肖像；人像recreate vt 再创造；再创作；重新创造；重新创新△bronze n 青铜unite vi 联合；团结artist n 艺术家period n 一段时间；时期vase n 花瓶, 瓶pull down 拆毁；推毁；推翻stone n 石；石头；宝石△Catherine n 凯瑟琳（女子名）damage vt＆n 损害；伤害Set up 设立；创立△website n 站点；网址ancient adj 古代的；古老的project n 计划；方案；工程brick n 砖；砖形物△dynasty n 朝代； 王朝official n 官员；公务员adj 官方的；正式的；公务的△Chauvet 肖维cave n 洞穴；窑洞△the Chauvet Cave 肖维岩洞（法国）pollution n 污染；玷污carbon n 碳元素△dioxide n 二氧化物△carbon dioxide 一氧化碳breath n 呼吸；气息limit vt 限制；限定 n 界限；限度sincerely adv 真诚地Unit 8BC （=before Christ）公元前△Athens n 雅典（希腊首都）stand for 代表；代替；象征；支持continent n 大陆； 陆地because of 因为；由于well－known 众所周知的；有名的；清楚明白athlete n 运动员；运动选手gold adj 金的；金制的 n 黄金；金币medal n 奖章；勋章；纪念章torch n 火炬△Los Angeles 洛杉矾（美国城市)badminton n 羽毛球（运动）speed skating 速滑track and field 田径△Los Angeles Lakers 洛杉矾湖人队（NBA球队）△Miami Heat 迈阿密热火队（NBA球队）△Manchester United 曼彻斯特联队（英国足球队）tie vt 与……打成平局；系；扎△Leeds 利兹（英国城市）；利兹联队final adj 最终的；最后的dive vi 潜水shooting n 射击△weightlifting n 举重would rather 宁愿；宁可take part 参加Greece n 希腊△wrestling n 摔跤AD (=Anno Doimni）公元competitor n 竞争者，对手；比赛者motto n 座右铭；格言；题词further adv （在时间或空间上）距离更大地，更远地△Carl Lewis 卡尔?刘易斯（美国运动员）rank vi 分等级；排名gymnastics n 体*△venue n 比赛地点；体育比赛场馆prepare vt准备；预备preparation n 准备；预备in preparation for 为……准备effect n 结果；后果flame n 火焰compete vi 竞争；比赛flag n 旗； 标记△profile n 简介；（个性及生平的）简要描述weight n 重力；重量position n 位置； 职位△Houston Rockets 休斯顿火箭队（NBA球队）superstar n 超级明星point n 得分；点；尖端skill n 技能；技巧；熟练；巧妙weigh vi 重（若干） vt 称（……?重量）△professional adj 专业的；职业的n 专业人员；职业运动员title n 题目；标题；称号；头衔gesture n 手势；姿态facial adj 面部的Unit 9△item n 项目；条款；（消息、情报等的）一条toothpick n 牙签△automobile n 汽车agreement n 一致；协定disagreement n 不一致；分歧disagree vi 不同意；不一致absolutely adv 绝对地；完全地depend vi 依靠；依赖press vt＆vi 按；压；逼迫n 压力；印刷；新闻teenager n （13～19岁的）青少年△image n 图象；肖像；形象throughout n 遍及；贯穿△function n 功能；作用add n 增加；添加；补充说 vi 加, 加起来；增添latest adj 最近的△feature n 特征；特色calendar n 日历remind vt 提醒；使想起appointment n 约会；指定behavior n 行为；举止；习性obey vt 服从；顺从dare vt＆v.aux 敢；胆敢stay in touch with 与...保持联络call for 要求；需要case n 事；病例；案例；情形in case (of) 假设；万一emergency n 紧急情况；突发事件；非常时刻whatever pron 凡是.....；无论什么 adj 无论怎样的；无论哪一种的dial vt 拨号according adv 依照according to 按照；根据……所说unexpected adj 想不到的；意外的；未预料到的particular adj 个别的；特别的negative adj 否定的；负面的；消极的△broadband adj 宽带的△test-tube adj 在试管中发展（或生长）的clone vt＆n 无性繁殖；克隆△revise vt 修订；校订；修正interview vt＆n 接见；会见△resource n 资源；财力department n 部；局；处；科；部门；系take over 接收：接管electricity n 电；电学break down 毁掉；坏掉；中止planet n 行星wonder n 奇迹；惊奇defeat vt 击败；战胜 n 失败；败北force n 力量；暴力 vt 强制；促使；强迫peaceful adj 和平的；平静的；安宁的succeed vi 成功；取得成功skip vt＆vi 跳读；略过△clue n 线索；提示词语△Chelyabinsk 车里雅宾斯克（俄罗斯城市）△Irkutsk 伊尔库次克（俄罗斯城市）Unit 10fur n 毛皮；毛；软毛Tibetan adj 西藏的；藏族人的 n 西藏语；西藏人；藏族人△antelope n 羚羊in danger 在危险中；垂危△endanger vt 危害, 使受到危险die out 灭绝；逐渐消失as a result of 作为（……的）结果lead vt 领导；率领；致使 vi 通向；导致 adj 领头的；领先的lead to导致某种结果jungle n 热带丛林wolf n 狼△hippo n 河马△kangaroo n 袋鼠giraffe n 长颈鹿△Steve Jones 史蒂夫?琼斯（男子名）environmental adj 环境的tour vi＆n 旅行；游历；旅游△Birmingham n 伯明翰（英国城市）n 伯明翰（美国城市）△species n 种类 ｜act vt＆vi 扮演；担当；表演；表现△endangerment n 危害；受到危险measure n 尺寸；措施 vt 测量；测度take measures 采取措施△habitat n 生活环境；栖息地△adapt vt 使适应；改编adapt to适应（新环境等）original adj 最初的；原始的；独特的△Jennifer 詹尼弗（女子名）make a difference 有关系；有影响battery n 电池△Stevenson 史蒂文森（男子名）devote vt 投人于；献身devote...to 献身于……；专心于……at present 现在； 目前common adj 共同的；普遍的set free 释放in the wild 在自然环境下△ecosystem n 生态系统valuable adj 贵重的；有价值的throw away 扔掉reduce vt 减少；缩减；简化respond vi 回答；口向应amount n 数量package n 包裹；包 vt 包装packaging n 包装材料harmful adj 有害的；伤害的flat adj 平的；平坦的 n ＜英＞公寓住宅；单元住宅△soda n 苏打；碳酸水material n 材料；原料poster n 海报；招贴attractive adj 吸引人的；有魅力的topic n 话题；主题organize vt＆vi 组织；组织起来△graph n 图表；曲线图brief adj 简洁的；扼要的

select 课程名,开课单位 from coursewhere 课程号 not in(select 课程号 from score1)

1 b2 a3 ad4 d5 d

student(sno,sname,sex,age)coures(cno,cname,credit,teachno)stu_cors(id,stuno,corsno,score)teacher(tno,tname)--一检索学习jsp这门课程的学生,列出学生的名字select student.snamefrom student where sno in(select stuno from stu_cors where corsno =(select cno from course where cname="jsp"))goselect student.snofrom student inner join stu_cors on student.sno=stu_cors.stuno inner join course on corsno=course.cnowhere course.cname="jsp"select snamefrom studentwhere sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp")--二检索java课程有多少学生学习.select COUNT(stuno) as "JAVA学习人数"from stu_cors where corsno =(select cno from course where cname="java")--三检索各科课程各有多少学生学习,select course.cname,COUNT(stu_cors.stuno) as "学习人数"from stu_cors inner join course on stu_cors.corsno=course.cnogroup by course.cname --四检索学习了jsp和servlet两门课程的学生有多少select COUNT(sno) as "jsp和servlet课程的学生人数"from student where sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp") and sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp")--五检索学习了超过两门课程的学生有多少select corsno,COUNT(stuno) as "学习超过两门课程的学生人数"from stu_corsgroup by corsno having COUNT(stuno)>2 order by corsno --六检索重来没有学生学习过的课程,课程的名字select cname from course where cno not in(select corsno from stu_cors )--七检索老师A有多少学生select COUNT(stuno) as "张老师的学生人数"from stu_corswhere corsno in(select course.cno from course inner join teacher on course.teachno=teacher.tno where teacher.tname="张华" )--九检索一共有多少老师,每一个老师所授课程是什么select teacher.tno,course.cname from course join teacher on course.teachno=teacher.tnogroup by teacher.tno,course.cname--十检索每个老师有多少个学生select teacher.tno,teacher.tname ,COUNT(stu_cors.stuno) as "学生人数"from teacher inner join course on teacher.tno=course.cno inner join stu_cors on course.cno=stu_cors.corsnogroup by teacher.tno,teacher.tname order by teacher.tno--十一检索授课超过两门的老师select teacher.tno,COUNT(course.cno) as "授课超过两门的老师"from teacher inner join course on teacher.tno=course.teachnogroup by teacher.tno having(COUNT(course.cno)>2) order by teacher.tno--十三检索A老师所授课程被学生全部学习的学生的名字.select snamefrom studentwhere sno (select stuno from stu_cors inner join )--查询选修人数超过人的课程的名字，以及每门课的选课总人数，并将结果按照人数的升序排序select teacher.tno,COUNT(stu_cors.stuno) as "选课总人数"from teacher inner join course on teacher.tno=course.teachno inner join stu_cors on course.cno=stu_cors.corsno group by teacher.tno having(COUNT(stu_cors.stuno)>350) order by count(stu_cors.stuno) asc--查询每门课的成绩都比这门课的其他同学高的学生的学号select stunofrom stu_cors where group by corsno --查询每个同学的学号和姓名以及这个同学成绩为优秀的课程的门数。select student.sno,student.sname,max(stu_cors.score)from student inner join stu_cors on student.sno=stu_cors.stunogroup by student.sno,student.sname--查询其他系的同学的年龄比‘软件工程系"的某个学生的年龄小的学生的学号，姓名和系别--查询每个系中年龄高于这个系的平均年龄的学生的学号和姓名、年龄select sno,sname,agefrom studentgroup by deptno,sno,sname,age having(age>AVG(age))--查询没有选课的学生的学号和姓名select sno,sname from student where sno not in(select sno from stu_cors)go--查询每个同学成绩高于自己选修课程的平均分的学生的学号和选修课程的课号select stuno,corsnofrom stu_cors group by stuno,corsno,score having(score>AVG(score))--查询每个学生以及选修课程的情况（要求使用做外连接）select student.sno,student.sname,course.cnamefrom student inner join stu_cors on student.sno=stu_cors.stuno left outer join course on stu_cors.corsno=course.cnoorder by student.snogo

题目都很简单 可是没有原表怎么查啊~

1/create table Course(Cno char(10) primary key not null, Cname char(20), Cpno char(10), Ccredit decimal(18,6))2/select * from Course where isnull(Cpno,"")="" order by Ccredit desc3/select top 3 Tno, Cno, Value from TC order by Value desc4/select Tno, Tname, Tsex, Tbirthday, Tdept from Teacher where Tname like "%龙%"5/select Cno,count(*) Value from TC group by Cno having count(*)>=36/select Tno, Tname,Cno,Ccredit from TC left outer join Course on tc.cno=Course.cnoleft outer join Teacher on tc.tno=Teacher.tnowhere Course.Ccredit>4 order by Course.Ccredit desc7/select Tno, Tname,Cno,value from TC left outer join Course on tc.cno=Course.cnoleft outer join Teacher on tc.tno=Teacher.tno where Teacher.Tdept="物理" and TC.value>=85

可以给你完成· 还写吗 see my name, find me

1. C2. A3. B4. B5. D

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1.优秀初中英语作文 　　My name is Li Xing, a boy in fourteen years old. I come from Dalian, Liaoning Province, which is a beautiful and energetic city. Every year, thousands of tourists visit there. There are three people in my family, my parents and I. My parents are doctors who work in a big hospital in my city. I have many interests. Swimming, reading and movie are my favorites, which bring color to my busy study life. In study, I am good at Chinese and English, while math is my weakness. I work very hard to improve it, but it doesn"t work very well. 　　Besides, I am easygoing and likely to make friends with others. Friendship is an important part of my life. 　　我叫李兴，今年十四岁。我来自辽宁省大连市。这是一个美丽而又充满活力的城市。每年都有成千上万的游客来这里参观。我家共有三口人，父母和我。我的父母都是大医院的医生。我有很多爱好，其中游泳，阅读和电影是我最喜欢的。它们给我忙碌的学习生活带来了很多色彩。我擅长语文和英语，而数学则是我的弱项。尽管我很努力去提高它，但是并没有很大的作用。除此之外，我也是个外向的"人，喜欢和别人做朋友。友情是我生活中重要的一部分。 　　这就是我，一个完完整整的我，一个不一样的我，一个地球上仅有的我，希望我给大家留下很好的印象哦。 2.优秀初中英语作文 　　Hello, everyone! My name is Yang Fan. 　　I am a student and I study at school now. I like playing basketball and surfing on the internet. I go to school by bike every day. I often go to the country for my vacation. I think I will change greatly in 15 years. Then I will be a doctor. I will enjoy reading books. I will go to work by car. I will go to Europe to spend my holiday. I will make a lot of money. I will have a beautiful building with garden. I think my life will be more interesting and wonderful in the future. 　　I think it will come true if I work hard. 　　你好，大家好！我的名字是杨凡。 　　我是一名学生，我现在在学校学习。我喜欢打篮球和上网。我每天骑自行车上学。我经常去乡下度假。我想15年后我会变大。然后我将成为一名医生。我会喜欢读书。我会开车去上班。我将去欧洲度过我的假期。我会赚很多钱。我将有一个美丽的建筑与花园。我认为我的生活将更加有趣和美好的未来。 　　如果我努力工作的话，我想它会实现的。 3.优秀初中英语作文 　　I imagine a lot about lives in the future. 　　I think two words can summarize my imagination. The first word is fast. In the future we will have more quickly transportation means. Now matter how far we go it takes only a short time. With the development of science and technology we can travel to the moon Mars or somewhere outer space. People may can live in other planets. The second word is convenient. Because of the fast development of our society many work can be done by computers or even robots. Lots of things are fully automated. 　　Humans just need to give some simple instructions to complete complecated tasks. 　　我对未来生活充满了想象。 　　我认为可以用两个词来概括我的想象。第一个词是快速。将来，我们会拥有更快的交通方式。不管我们去得多远，它总能在短时间内把我们带到目的地。随着科学技术的发展，我们可以到月球，火星或者其他外太空旅游。人们也许可以在其他星球居住。第二个词是便利。由于社会的快速发展，很多工作可以用电脑或者机器人来完成。很多东西都是全自动的。 　　人们只需要提供一些简单的指令来完成复杂的任务。 4.优秀初中英语作文 　　Last March, my mother told my father and me that my grandfather would come in April. We were very happy because my grandfather was an interesting old man and he had not visited us since he went to Hong Kong. 　　On April 1 my father and I bought a lot of foodfromthe supermarket and bought a big bunch of flowers home. Then we did some cleaning at home. At night when we were waiting for my grandfather, the bell rang and in came my mother. She smiled to us and said "April fools"! 　　去年3月，我母亲告诉我的父亲和我，我的祖父4月份会来的。我们很高兴，因为我的祖父是一个有趣的老人与他没有访问我们自从他去了香港。 　　4月1日我的父亲和我从超市买了很多食物,买了一大束鲜花回家。然后，我们做了一些清洁家里。晚上当我们等待我的祖父时，铃响了，我的母亲走了进来。她微笑着对我们说“四月傻瓜”! 5.优秀初中英语作文 　　In the future many things will change. I"m sure many things well be very beautiful in the future. 　　The sky will be very blue and the trees will be very green. In the future There won"t be any school. Students will study at home . teachers won"t use chalk and the check the students level by internet. People will have a lo of free time. I won"t do the housework because the robots will help me . Everyday I will get up late because I won"t go to school. 　　So my life in the future will very nice. 　　在未来很多事情将会改变。我相信在未来很多事情是非常美丽的。 　　天空很蓝树很绿。将来不会有任何学校。学生将会在家学习。老师不会用粉笔和检查学生通过网络水平。人们会瞧的空闲时间。我不会做家务因为机器人会帮助我。每天我起床晚因为我不会去上学。 　　所以我的生活在未来会很好。 6.优秀初中英语作文 　　I have a very good English teacher.My classmates and I all like her very much.She is very friendly to us.We all like to have English classes very much. 　　She is tall and beautiful.She looks like a middle school student.She has big eyes,a small nose,a small mouth and long black trousers. 　　Her name is Wang Yanjun.We often call her Miss Wang.She teaches English very well.In class ,she looks like our elder sister .She often helps us to solve problems.After class,she looks like our friend.We often play games together. 　　This is my English teacher.I love her and I love to study English,too.I believe my English will be better and better. 　　我有一个很好的英语老师。我和我的同学们都非常喜欢她。她对我们很友好。我们都很喜欢上英语课。 　　她又高又漂亮。她看起来像一个中学的学生。她有大眼睛，小鼻子，小嘴巴和长黑裤子。 　　她的名字叫王宿州农村。我们通常叫她王老师。她教英语很好。在课堂上，她看起来像我们的姐姐。她经常帮助我们解决问题。下课后，她看起来像我们的朋友。我们经常在一起玩游戏。 　　这是我的英语老师。我爱她，我也爱学英语。我相信我的英语会越来越好。 7.优秀初中英语作文 　　It was Sunday and I didn t have to go to school. I finished my homework the day before. So I decided to help mother do housework. I washed some clothes after I got up. Then I went shopping with a basket. I bought some meat, eggs and some vegetables in the market. After I came back, I started to cook dinner for the whole family. In the evening, I sat at the table and began to write down on my notebook what I had done during the day. 　　星期天我不用去上学。前天我完成了作业，于是我决定帮妈妈做家务。我起床后洗了几件衣服，然后我拿着篮子去购物。我在市场上买了一些肉、鸡蛋和蔬菜。回来后，我开始为全家人做饭。晚上，我坐在桌旁开始在笔记本上记下我一天所干的事。 8.优秀初中英语作文 　　Television has come into our lives for many years. We can nearly say that we can"t live happily without television. It can give us the latest information and news. It can open up our eyes and enlarge our knowledge. We can be entertained by the programs on television. Otherwise,we"ll be boring all day if there is no television. Television programs are attractive. After a whole day"s hard work, we can sit before the television enjoying ourselves. How wonderful it is! 　　电视已经进入到我们的生活很多年了。我们几乎可以说没有电视我们的生活就不会快乐。电视能够给我们最新的信息和新闻。它可以拓展我们的视野和扩大我们的知识面。电视节目可以娱乐我们。否则，如果没有电视的`话我们一整天都会很无聊。电视节目很有吸引力。一整天的辛苦工作后，我们可以坐在电视机前享受。这是多美好的事情啊！ 　　However, television also does harm to people"s health. It"s bad for us to watch TV too long, especially bad for our eyes. Besides, watching TV may take the time to study or play on outside world. In short, television is good and we should make use of it appropriately. 　　然而，电视也会对人们的健康有害。长时间看电视对我们是不好的，特别是有损眼睛。此外，看电视可能会占据大部分学习或者出去玩的时间。总之，电视是好的，我们应该适当利用它。 　　电视在现今生活是每家的必备品，面对电视，同学们将如何表达呢？ 9.优秀初中英语作文 　　Dusk is coming. It s time for the sunset. Look, the sky is getting dim gradually. The setting sun is covering the earth with golden rays. Not only the sky and water surface but also I myseff am turning into golden yellow. Several white birds are flying freely above the water. Willows are dancing in the breeze gracefully. Soon, the sun has buried itself in the thick clouds. But I still can see the beautiful scene in the sunset. It will be always in my mind. I love sunset. 　　天已黄昏，太阳就要落山了。天空正在慢慢变暗，正在下山的太阳给大地洒下一片金色的余辉。不仅是天空和水面，就连我自己也变成金黄色的了。有几只白色的小鸟自由自在地飞翔在水面上，柳枝儿随着微风翩翩起舞。很快，太阳就隐藏在厚厚的云层里了。可我依然看得清日落后的迷人景象，它将永远留在我的脑海里。我爱日落。 10.优秀初中英语作文 　　The winter holiday is coming. I expect it very much, because the Spring Festival is the most important event in the holiday. First, I will relax myself. This term I work very hard, so during the holiday, I want to have fun. My families will go back to the hometown. We will get together to celebrate the Spring Festival. I like families getting together and organizing various activities. It"s funny and warm. Of course, study can"t be ignored. After the festival, I will spend some time on my study. 　　There will be exercises for the holiday. And I will do some reviews for next term. Math is my weakness, so I must work hard to improve it. This is my plan for winter holiday. 　　寒假即将来临。我很期待它的到来，因为春节是这个假期最重要的节日。首先，我会放松一下自己。这个学期我学习很努力，所以假期期间我想玩玩。我的家人会回老家过节，我们将一起庆祝春节。我喜欢家人团聚在一起组织各种各样的活动，有趣而又温暖。当然，学习也是不容忽视的。春节过后，我会花些时间在学习上。我会完成一些寒假作业然后预习一些下学期的内容。数学是我的弱项，因此我必须努力提高它。这就是我的寒假计划。 　　上面就是我的寒假计划，希望同学们对自己的每一件事都有个自己的计划，一切都安排好，合理的安排自己的时间哦。

建表语句 CREATE TABLE student(s# INT,sname nvarchar(32),sage INT,ssex nvarchar(8)) CREATE TABLE course(c# INT,cname nvarchar(32),t# INT) CREATE TABLE sc(s# INT,c# INT,score INT) CREATE TABLE teacher(t# INT,tname nvarchar(16)) 插入测试数据语句 insert into Student select 1,N"刘一",18,N"男" union allselect 2,N"钱二",19,N"女" union allselect 3,N"张三",17,N"男" union allselect 4,N"李四",18,N"女" union allselect 5,N"王五",17,N"男" union allselect 6,N"赵六",19,N"女" insert into Teacher select 1,N"叶平" union allselect 2,N"贺高" union allselect 3,N"杨艳" union allselect 4,N"周磊"insert into Course select 1,N"语文",1 union allselect 2,N"数学",2 union allselect 3,N"英语",3 union allselect 4,N"物理",4insert into SC select 1,1,56 union all select 1,2,78 union all select 1,3,67 union all select 1,4,58 union all select 2,1,79 union all select 2,2,81 union all select 2,3,92 union all select 2,4,68 union all select 3,1,91 union all select 3,2,47 union all select 3,3,88 union all select 3,4,56 union all select 4,2,88 union all select 4,3,90 union all select 4,4,93 union all select 5,1,46 union all select 5,3,78 union all select 5,4,53 union all select 6,1,35 union all select 6,2,68 union all select 6,4,71问题问题： 1、查询“001”课程比“002”课程成绩高的所有学生的学号； select a.S# from (select s#,score from SC where C#="001") a,(select s#,score from SC where C#="002") b where a.score>b.score and a.s#=b.s#; 2、查询平均成绩大于60分的同学的学号和平均成绩； select S#,avg(score) from sc group by S# having avg(score) >60; 3、查询所有同学的学号、姓名、选课数、总成绩； select Student.S#,Student.Sname,count(SC.C#),sum(score) from Student left Outer join SC on Student.S#=SC.S# group by Student.S#,Sname 4、查询姓“李”的老师的个数； select count(distinct(Tname)) from Teacher where Tname like "李%"; 5、查询没学过“叶平”老师课的同学的学号、姓名； select Student.S#,Student.Sname from Student where S# not in (select distinct( SC.S#) from SC,Course,Teacher where SC.C#=Course.C# and Teacher.T#=Course.T# and Teacher.Tname="叶平"); 6、查询学过“001”并且也学过编号“002”课程的同学的学号、姓名； select Student.S#,Student.Sname from Student,SC where Student.S#=SC.S# and SC.C#="001"and exists( Select * from SC as SC_2 where SC_2.S#=SC.S# and SC_2.C#="002"); 7、查询学过“叶平”老师所教的所有课的同学的学号、姓名； select S#,Sname from Student where S# in (select S# from SC ,Course ,Teacher where SC.C#=Course.C# and Teacher.T#=Course.T# and Teacher.Tname="叶平" group by S# having count(SC.C#)=(select count(C#) from Course,Teacher where Teacher.T#=Course.T# and Tname="叶平")); 8、查询课程编号“002”的成绩比课程编号“001”课程低的所有同学的学号、姓名； Select S#,Sname from (select Student.S#,Student.Sname,score ,(select score from SC SC_2 where SC_2.S#=Student.S# and SC_2.C#="002") score2 from Student,SC where Student.S#=SC.S# and C#="001") S_2 where score2 <score; 9、查询所有课程成绩小于60分的同学的学号、姓名； select S#,Sname from Student where S# not in (select S.S# from Student AS S,SC where S.S#=SC.S# and score>60); 10、查询没有学全所有课的同学的学号、姓名； select Student.S#,Student.Sname from Student,SC where Student.S#=SC.S# group by Student.S#,Student.Sname having count(C#) <(select count(C#) from Course); 11、查询至少有一门课与学号为“1001”的同学所学相同的同学的学号和姓名； select distinct S#,Sname from Student,SC where Student.S#=SC.S# and SC.C# in (select C# from SC where S#="1001"); 12、查询至少学过学号为“001”同学所有一门课的其他同学学号和姓名； select distinct SC.S#,Sname from Student,SC where Student.S#=SC.S# and C# in (select C# from SC where S#="001"); 13、把“SC”表中“叶平”老师教的课的成绩都更改为此课程的平均成绩； update SC set score=(select avg(SC_2.score) from SC SC_2 where SC_2.C#=SC.C# ) from Course,Teacher where Course.C#=SC.C# and Course.T#=Teacher.T# and Teacher.Tname="叶平"); 14、查询和“1002”号的同学学习的课程完全相同的其他同学学号和姓名； select S# from SC where C# in (select C# from SC where S#="1002") group by S# having count(*)=(select count(*) from SC where S#="1002"); 15、删除学习“叶平”老师课的SC表记录； Delect SC from course ,Teacher where Course.C#=SC.C# and Course.T#= Teacher.T# and Tname="叶平"; 16、向SC表中插入一些记录，这些记录要求符合以下条件：没有上过编号“003”课程的同学学号、2、 号课的平均成绩； Insert SC select S#,"002",(Select avg(score) from SC where C#="002") from Student where S# not in (Select S# from SC where C#="002"); 17、按平均成绩从高到低显示所有学生的“数据库”、“企业管理”、“英语”三门的课程成绩，按如下形式显示： 学生ID,,数据库,企业管理,英语,有效课程数,有效平均分 SELECT S# as 学生ID ,(SELECT score FROM SC WHERE SC.S#=t.S# AND C#="004") AS 数据库 ,(SELECT score FROM SC WHERE SC.S#=t.S# AND C#="001") AS 企业管理 ,(SELECT score FROM SC WHERE SC.S#=t.S# AND C#="006") AS 英语 ,COUNT(*) AS 有效课程数, AVG(t.score) AS 平均成绩 FROM SC AS t GROUP BY S# ORDER BY avg(t.score) 18、查询各科成绩最高和最低的分：以如下形式显示：课程ID，最高分，最低分 SELECT L.C# As 课程ID,L.score AS 最高分,R.score AS 最低分 FROM SC L ,SC AS R WHERE L.C# = R.C# and L.score = (SELECT MAX(IL.score) FROM SC AS IL,Student AS IM WHERE L.C# = IL.C# and IM.S#=IL.S# GROUP BY IL.C#) AND R.Score = (SELECT MIN(IR.score) FROM SC AS IR WHERE R.C# = IR.C# GROUP BY IR.C# ); 自己写的:select c# ,max(score)as 最高分 ,min(score) as 最低分 from dbo.sc group by c# 19、按各科平均成绩从低到高和及格率的百分数从高到低顺序 SELECT t.C# AS 课程号,max(course.Cname)AS 课程名,isnull(AVG(score),0) AS 平均成绩 ,100 * SUM(CASE WHEN isnull(score,0)>=60 THEN 1 ELSE 0 END)/COUNT(*) AS 及格百分数 FROM SC T,Course where t.C#=course.C# GROUP BY t.C# ORDER BY 100 * SUM(CASE WHEN isnull(score,0)>=60 THEN 1 ELSE 0 END)/COUNT(*) DESC 20、查询如下课程平均成绩和及格率的百分数(用"1行"显示): 企业管理（001），马克思（002），OO&UML （003），数据库（004） SELECT SUM(CASE WHEN C# ="001" THEN score ELSE 0 END)/SUM(CASE C# WHEN "001" THEN 1 ELSE 0 END) AS 企业管理平均分 ,100 * SUM(CASE WHEN C# = "001" AND score >= 60 THEN 1 ELSE 0 END)/SUM(CASE WHEN C# = "001" THEN 1 ELSE 0 END) AS 企业管理及格百分数 ,SUM(CASE WHEN C# = "002" THEN score ELSE 0 END)/SUM(CASE C# WHEN "002" THEN 1 ELSE 0 END) AS 马克思平均分 ,100 * SUM(CASE WHEN C# = "002" AND score >= 60 THEN 1 ELSE 0 END)/SUM(CASE WHEN C# = "002" THEN 1 ELSE 0 END) AS 马克思及格百分数 ,SUM(CASE WHEN C# = "003" THEN score ELSE 0 END)/SUM(CASE C# WHEN "003" THEN 1 ELSE 0 END) AS UML平均分 ,100 * SUM(CASE WHEN C# = "003" AND score >= 60 THEN 1 ELSE 0 END)/SUM(CASE WHEN C# = "003" THEN 1 ELSE 0 END) AS UML及格百分数 ,SUM(CASE WHEN C# = "004" THEN score ELSE 0 END)/SUM(CASE C# WHEN "004" THEN 1 ELSE 0 END) AS 数据库平均分 ,100 * SUM(CASE WHEN C# = "004" AND score >= 60 THEN 1 ELSE 0 END)/SUM(CASE WHEN C# = "004" THEN 1 ELSE 0 END) AS 数据库及格百分数 FROM SC21、查询不同老师所教不同课程平均分从高到低显示SELECT max(Z.T#) AS 教师ID,MAX(Z.Tname) AS 教师姓名,C.C# AS 课程ID,MAX(C.Cname) AS 课程名称,AVG(Score) AS 平均成绩FROM SC AS T,Course AS C ,Teacher AS Zwhere T.C#=C.C# and C.T#=Z.T#GROUP BY C.C#ORDER BY AVG(Score) DESC 22、查询如下课程成绩第 3 名到第 6 名的学生成绩单：企业管理（001），马克思（002），UML （003），数据库（004）[学生ID],[学生姓名],企业管理,马克思,UML,数据库,平均成绩SELECT DISTINCT top 3SC.S# As 学生学号,Student.Sname AS 学生姓名 ,T1.score AS 企业管理,T2.score AS 马克思,T3.score AS UML,T4.score AS 数据库,ISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0) as 总分FROM Student,SC LEFT JOIN SC AS T1ON SC.S# = T1.S# AND T1.C# = "001"LEFT JOIN SC AS T2ON SC.S# = T2.S# AND T2.C# = "002"LEFT JOIN SC AS T3ON SC.S# = T3.S# AND T3.C# = "003"LEFT JOIN SC AS T4ON SC.S# = T4.S# AND T4.C# = "004"WHERE student.S#=SC.S# andISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0)NOT IN(SELECTDISTINCTTOP 15 WITH TIESISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0)FROM scLEFT JOIN sc AS T1ON sc.S# = T1.S# AND T1.C# = "k1"LEFT JOIN sc AS T2ON sc.S# = T2.S# AND T2.C# = "k2"LEFT JOIN sc AS T3ON sc.S# = T3.S# AND T3.C# = "k3"LEFT JOIN sc AS T4ON sc.S# = T4.S# AND T4.C# = "k4"ORDER BY ISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0) DESC); 23、统计列印各科成绩,各分数段人数:课程ID,课程名称,[100-85],[85-70],[70-60],[ <60]SELECT SC.C# as 课程ID, Cname as 课程名称,SUM(CASE WHEN score BETWEEN 85 AND 100 THEN 1 ELSE 0 END) AS [100 - 85],SUM(CASE WHEN score BETWEEN 70 AND 85 THEN 1 ELSE 0 END) AS [85 - 70],SUM(CASE WHEN score BETWEEN 60 AND 70 THEN 1 ELSE 0 END) AS [70 - 60],SUM(CASE WHEN score < 60 THEN 1 ELSE 0 END) AS [60 -]FROM SC,Coursewhere SC.C#=Course.C#GROUP BY SC.C#,Cname; 24、查询学生平均成绩及其名次SELECT 1+(SELECT COUNT( distinct 平均成绩)FROM (SELECT S#,AVG(score) AS 平均成绩FROM SCGROUP BY S#) AS T1WHERE 平均成绩 > T2.平均成绩) as 名次,S# as 学生学号,平均成绩FROM (SELECT S#,AVG(score) 平均成绩FROM SCGROUP BY S#) AS T2ORDER BY 平均成绩 desc;原文地址：http://www.cnblogs.com/qixuejia/p/3637735.html

I choose this school because Dalian is a beautiful and clean city. The environment in Dongcai is harmonious . Meanwhile ,this place can let me

1、虚拟语气，时态往旧推一格2、做补语，补充说明join动作的效果3、后半句提示 时态是现在进行时，从含义上知道描述了他没有出国之后的生活状态和思想，时态要一致4、难怪（见到他）就让我想起jane （猜测是兄妹长得有点像）5、if ever ，如果曾有过，，，句子-就算有，那也只是偶尔，就是几乎没有6、be wise （not） to do ，再看时态，就是幸好没做，那么没做这个动作完成了，且结果跟现在有联系，完成时7、for the first time 不用在句首，一定要用在句首得跟个逗号8、长动作writing，伴随着stop，用ing 表伴随9、从句意判断，修饰assume，所以是状语从句，先行词where，10、系动词单复数看量词，量词quantities 是复数，用复数形式本人崇尚简洁明了~~ 单词词义问题可以求助词典...

--创建测试数据drop table #acreate table #a(idd int,name2 varchar(10),image2 varchar(10),tag2 varchar(10))insert into #a values(1,"长城","。","长城")insert into #a values(1,"故宫","。","故宫")insert into #a values(1,"天安门","。","天安门")drop table #bcreate table #b(id int,name varchar(10),image varchar(10),tag varchar(10))insert into #b values(1,"爱情1","。","长城")insert into #b values(2,"天空","。","故宫")insert into #b values(3,"23爱","。","长城")insert into #b values(2,"蓝天","。","故宫")---------------实现代码部分---------------- select * from #a select * from #bselect tag ,max(t2.idd) as idd ,max(t2.name2) as name2 ,max(t2.image2) as image2 ,(select name+"、" from #b t1 where t1.tag =tt.tag for xml path("")) as name ,(select image+"、" from #b t1 where t1.tag =tt.tag for xml path("")) as imagefrom #b tt left join #a t2 on t2.tag2 =tt.tag group by tag --查询结果 /* tag idd name2 image2 name image长城 1 长城 。 爱情1、23爱、 。、。、故宫 1 故宫 。 天空、蓝天、 。、。、*/

在使用ret之前先alert一下response.Text，看看有没有得到数据

1. 我的房间作文用英语怎么写 Look , I have a nice room . Come and have a look . It"s *** all and nice . There is a big bed , a *** all desk , a shelf and a closet . The bed is near the desk . There is a shelf near the closet too . Many good books are in the shelf . I like the books very much . Oh , yes , There is a big board on the wall . I often write and draw pictures on the board . Oh , My bedroom is too beautiful . I like it very much . Do you like my bedroom? Can you tell me about your beroom , please ? 看，我有一个舒适的房间，过来看一看，它小而漂亮，那有一张大床，一张小桌，一个书架和衣柜，床在桌子旁边，书架也在衣柜旁边，很多好的书都在书架上，我非常喜欢书，哦，是的，那有一个大的黑板在墙上，我经常写和画一些图片在黑板上. 哦，我的卧室是太学漂亮了，我非常喜欢它，你喜欢我的卧室吗，请你能告诉我你的卧室吗？ 2. 《我的房间》用（英文作文）怎么写 我的房间英文作文：======My Room======The room in my house that has most character is my room. My room has the most character because when I e home from work or school, I spend most of my time in my room. I live with my mother, still, and she works all of the time. My mother is never at home. So, therefore, most of the time, its just me at home alone.My room is a special place that I can always escape the outside world and concentrate on other important things in my life. When I ever-so-slightly ist my cool to touch brass circular door knob that is adjoined to my delicately wood-stained door I open a passage to a pletely different atmosphere. This atmosphere provides a sense of fort and stability.I remember, when I was little, I was always sent to my room. So, eventually, over time I began to put up posters and other personal items, that are special to me, up on my wall. My room is covered with band posters. There are posters of bands that I enjoy listening to pined up on my wall。 3. 《我的房间》用（英文作文）怎么写 我的房间英文作文： ====== My Room ====== The room in my house that has most character is my room. My room has the most character because when I e home from work or school, I spend most of my time in my room. I live with my mother, still, and she works all of the time. My mother is never at home. So, therefore, most of the time, its just me at home alone. My room is a special place that I can always escape the outside world and concentrate on other important things in my life. When I ever-so-slightly ist my cool to touch brass circular door knob that is adjoined to my delicately wood-stained door I open a passage to a pletely different atmosphere. This atmosphere provides a sense of fort and stability. I remember, when I was little, I was always sent to my room. So, eventually, over time I began to put up posters and other personal items, that are special to me, up on my wall. My room is covered with band posters. There are posters of bands that I enjoy listening to pined up on my wall. 4. 我的房间的英文作文怎么写 范文：Look ,I have a nice room .Come and have a look .It"s *** all and nice .There is a big bed ,a *** all desk ,a shelf and a closet .The bed is near the desk .There is a shelf near the closet too .Many good books are in the shelf .I like the books very much .Oh ,yes ,There is a big board on the wall .I often write and draw pictures on the board .Oh ,My bedroom is too beautiful .I like it very much .Do you like my bedroom?Can you tell me about your beroom ,please。 5. 写关于我的房间英语作文带翻译 热心网友 My room is not big, but it"s clean and tidy. There is a bed of course. Above the bed, there is a picture of Yaoming, my favorite basketball star. There is a basketball under the bed. Beside the bed there is a desk and a chair where I study and surf the inter there. There is a bookshelf beside the desk by the window. There are hundreds of books and lots of CDs on the shelf. Although there isn"t a telephone, I like my room very much. 尽管我的房间不大，但它干净整洁。 里面当然有张床了。 在床头上面有张我最喜欢的篮球明星姚明的图片。 床下有个篮球。 在床边有个书桌和椅子。我在那里学习及上网。 在桌子旁有个书架。 上面有上千本书和很多CD。 尽管里面没有电话，但我非常喜欢我的房间 6. 我的房间英语作文 My room Open the door,oh,the room is very beautiful!Whose room is this?It"s my room. The bed is near the window.a quilt and a doll is on the bed.What color is my bed?It"s my favourite color—purple.It"s very dreamily color.the dresser is next to the bed.There are some books and a pen on the dresser. I like watching TV.The TV is before the bed.I an lie to watch TV on the bed.I have a piano.The piano is near the TV set.Sometimes,I play the piano.And the puter is near the window.I often play the piano. This is my room.Do you like my room?What about your room? 中文翻译： 我的房间 打开门，噢，这房间多么漂亮啊！这是谁的房间呢？这是我的房间。 床在窗的附近。一张被子和一个洋娃娃在床的上面。我的床是什么颜色呢？是我最喜欢的颜色——紫色。这是多么梦幻的颜色啊。梳妆台在床的旁边。梳妆台上有一些书和一支钢笔。 我喜欢看电视。电视机在床的前面。我可以躺在床上看电视。我有一个钢琴。它在电视机的旁边。我有时候会弹钢琴。电脑在窗的附近。我经常弹钢琴。 这就是我的房间。你喜欢我的房间吗？你的房间又怎样呢？ 7. 以我的房间写1篇英语作文 中文：我的小房间是一个自由的小天地，我在这里无忧无虑，想干什么都行，一走进里面，简直像小鸟飞进了森林一样快乐。 房间的正中间是我的小床，上面铺着红色的被子，红色的枕头。别嫌太单调，因为红色给人带来温暖的感觉，我喜欢红色。 床的左边是一个书柜，这里有各种各样的书---《三国演义》、《一千零一夜》、《世界未解之谜》等等，少说也有七八十本，它是我的小型图书馆，在这儿开阔眼界非常方便。我还经常在书柜前做作业。 书柜的旁边，有一个双色的二层衣柜，打开一看，哇！各种衣服尽收眼底，有红色的上衣，有黄色的夹克，有绿色的裤子，有褐色的毛衣……，墙角还有一个旧柜子，上面放的还是书，但这上面放的是杂志---《儿童故事画报》、《小弥猴》、《小学生优秀作文》等等，旁边还放着几个足球，那是我小时候用的，现在已成了摆设。床头上放着一张穿着“小博士照”，相片中的我头上戴着一顶博士帽，精神百倍，真像一个小博士，那是我幼儿园时候的毕业照，照片旁边放着一个地球仪，上面有全世界各个国家的位置，我时常按照国家的名称寻找它的位置，梦想着有一天能周游世界。 朋友们，这就是我的房间，在这里，可以学习，可以幻想，欢迎你们来我的房间做客翻译：My roomette is that a free self"s own little world , I are light of heart in here , think that with no result, what all goes , one walks into the inside, forest is simply alike happy like the birdie has flown in. The room main centre is my *** all bed , higher authority is laying the red quilt , the red pillow. Dislike red for being very monotonous , be fond of because of red is brought along warm feeling , our by person. The bed on the left is a bookcase , have all kinds of books- - - The Romance of the Three Kingdoms ", The Arabian Nights ", "the world has not solved that puzzle " etc. here , stop speaking also having about 70 it is my minitype library , go to the lavatory very much in broadening self"s horizon here. I do one"s assignment often before the bookcase. Have a o-tone o layer of wardrobe , open one bookcase near by, wow! Various clothes have a panoramic view , upper outer garment having red , jacket having yellow , trousers having green, sweater having brown, 。 ,The corner still has one Ge Jiu City cabi , still being that higher authority puts in writes, that this readjusts oneself to a certain extent above has been magazine- - - "children"s story pictorial ", " *** all full monkey " ", excellent position of pupil" etc. but , has been there be several football in the side , that has been that I use when one was young , has already has been bee furnishings now. Readjust oneself to a certain extent on the head of a bed let "young doctor of a apparel cast light on " , be wearing one doctorial hat , spirit hundred fold on my head in photo , really *** all doctor like one, that is my kindergarten moment leave school have a picture taken, be putting in a globe near by , higher authority location having each countries of the whole world , I am seeking its location often according to country"s name , am dreaming to be able to go on a tour round the world one day. Fantasy friends , this being learned from with regard to being my room , being able to in here, being able to, e my room to be a guest on weling you。 8. 用我的房间来写一篇英语文章 My RoomI have my own room. It is big and nice. There is a bed, a desk and a shelf. The doll is on the bad. The lamp is on the desk. The books are on the shelf. The trash bin is behind the door. The clothes are in the closet. There is a air-conditioner over the closet. Look! There are many pictures on the wall. I love my room very much. My RoomHi!This is my room ,it is very goodliness（美丽）.Look,this is wall（墙），it is pink.This is my bed ,color is yellow .That is my desk.There bookcase side the desk.this is my room,I loke like my room !My room清远市佛冈县城北中学初一（3）班 XINGQIHUI.What color is my bed?It"s my favourite color—purple.It"s very dreamily color.Open the door,oh,the room is very beautiful!Whose room is this?It"s my room. The bed is near the window.a quilt and a doll is on the bed.What color is my bed?It"s my favourite color—purple.It"s very dreamily color.the dresser is next to the bed.There are some books and a pen on the dresser. I like watching TV.The TV is before the bed.I an lie to watch TV on the bed.I have a piano.The piano is near the TV set.Sometimes,I play the piano.And the puter is near the window.I often play the piano. This is my room.Do you like my room?What about your room？ 中文翻译： 我的房间 打开门，噢，这房间多么漂亮啊！这是谁的房间呢？这是我的房间。 床在窗的附近。一张被子和一个洋娃娃在床的上面。 我的床是什么颜色呢？是我最喜欢的颜色——紫色。这是多么梦幻的颜色啊。 梳妆台在床的旁边。梳妆台上有一些书和一支钢笔。 我喜欢看电视。电视机在床的前面。 我可以躺在床上看电视。我有一个钢琴。 它在电视机的旁边。我有时候会弹钢琴。 电脑在窗的附近。我经常弹钢琴。 这就是我的房间。你喜欢我的房间吗？你的房间又怎样呢？ 我的房间（My room） the room in which I live and study is a *** all one, but not too *** all for me. My room is on the second(third)floor, which faces south. There is a window in the front of my room,and a bed at the back. My desk is at the window in front of which is a chair. There is a bookcase to the left of the desk, and there are a lot of books on the bookcase. A lamp is on the desk. There are o pictures on the left wall, and a colour photograph on the right wall. I often clean it. I like my room very much.。 9. 以“我的房间”为题写一篇英语作文 My room（女孩的房间） Open the door,oh,the room is very beautiful!Whose room is this?It"s my room. The bed is near the window.a quilt and a doll is on the bed.What color is my bed?It"s my favourite color—purple.It"s very dreamily color.the dresser is next to the bed.There are some books and a pen on the dresser. I like watching TV.The TV is before the bed.I an lie to watch TV on the bed.I have a piano.The piano is near the TV set.Sometimes,I play the piano.And the puter is near the window.I often play the piano. This is my room.Do you like my room?What about your room? My room（男孩的房间） I have a nice house.There are many books in my house. I can read in my house every morning.I can have a rest in my house when I am tired after playing football.I can also play puter in my house.There are toys,basketball and all kinds of story books in my house. I like my house very much.wele to my house.

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你这是一个纵转横的问题，百度搜索一下 sql纵转横，好多例子

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

看看我以前做过的经典数据库语法练习题表结构: student(sno,sname,sex,age.deptno) department(dno,dname) course(cno,cname,grade,teachno) teacher(tno,tname) stu_cors(id,stuno,corsno,score)--一检索学习jsp这门课程的学生,列出学生的名字select student.snamefrom student where sno in(select stuno from stu_cors where corsno =(select cno from course where cname="jsp"))goselect student.snofrom student inner join stu_cors on student.sno=stu_cors.stuno inner join course on corsno=course.cnowhere course.cname="jsp"select snamefrom studentwhere sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp")--二检索java课程有多少学生学习.select COUNT(stuno) as "JAVA学习人数"from stu_cors where corsno =(select cno from course where cname="java")--三检索各科课程各有多少学生学习,select course.cname,COUNT(stu_cors.stuno) as "学习人数"from stu_cors inner join course on stu_cors.corsno=course.cnogroup by course.cname --四检索学习了jsp和servlet两门课程的学生有多少select COUNT(sno) as "jsp和servlet课程的学生人数"from student where sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp") and sno in(select stu_cors.stuno from stu_cors inner join course on stu_cors.corsno=course.cno where course.cname="jsp")--五检索学习了超过两门课程的学生有多少select corsno,COUNT(stuno) as "学习超过两门课程的学生人数"from stu_corsgroup by corsno having COUNT(stuno)>2 order by corsno --六检索重来没有学生学习过的课程,课程的名字select cname from course where cno not in(select corsno from stu_cors )--七检索老师A有多少学生select COUNT(stuno) as "张老师的学生人数"from stu_corswhere corsno in(select course.cno from course inner join teacher on course.teachno=teacher.tno where teacher.tname="张华" )--九检索一共有多少老师,每一个老师所授课程是什么select teacher.tno,course.cname from course join teacher on course.teachno=teacher.tnogroup by teacher.tno,course.cname--十检索每个老师有多少个学生select teacher.tno,teacher.tname ,COUNT(stu_cors.stuno) as "学生人数"from teacher inner join course on teacher.tno=course.cno inner join stu_cors on course.cno=stu_cors.corsnogroup by teacher.tno,teacher.tname order by teacher.tno--十一检索授课超过两门的老师select teacher.tno,COUNT(course.cno) as "授课超过两门的老师"from teacher inner join course on teacher.tno=course.teachnogroup by teacher.tno having(COUNT(course.cno)>2) order by teacher.tno--十三检索A老师所授课程被学生全部学习的学生的名字.select snamefrom studentwhere sno (select stuno from stu_cors inner join )--查询选修人数超过人的课程的名字，以及每门课的选课总人数，并将结果按照人数的升序排序select teacher.tno,COUNT(stu_cors.stuno) as "选课总人数"from teacher inner join course on teacher.tno=course.teachno inner join stu_cors on course.cno=stu_cors.corsno group by teacher.tno having(COUNT(stu_cors.stuno)>350) order by count(stu_cors.stuno) asc--查询每门课的成绩都比这门课的其他同学高的学生的学号select stunofrom stu_cors where group by corsno --查询每个同学的学号和姓名以及这个同学成绩为优秀的课程的门数。select student.sno,student.sname,max(stu_cors.score)from student inner join stu_cors on student.sno=stu_cors.stunogroup by student.sno,student.sname--查询其他系的同学的年龄比‘软件工程系"的某个学生的年龄小的学生的学号，姓名和系别--查询每个系中年龄高于这个系的平均年龄的学生的学号和姓名、年龄select sno,sname,agefrom studentgroup by deptno,sno,sname,age having(age>AVG(age))--查询没有选课的学生的学号和姓名select sno,sname from student where sno not in(select sno from stu_cors)go--查询每个同学成绩高于自己选修课程的平均分的学生的学号和选修课程的课号select stuno,corsnofrom stu_cors group by stuno,corsno,score having(score>AVG(score))--查询每个学生以及选修课程的情况（要求使用做外连接）select student.sno,student.sname,course.cnamefrom student inner join stu_cors on student.sno=stu_cors.stuno left outer join course on stu_cors.corsno=course.cnoorder by student.snogo--自己举例实现带有ANY和ALL谓词的例子，各举一个例子 --查询其他系中比天文系所有学生年龄都小的学生姓名及年龄。 select sname,age,deptno from student where age<any(select student.age from student inner join department on student.deptno=department.dno where department.dname="天文系") and deptno <>(select dno from department where dname="天文系") go--查询全体学生的信息，查询结果按所在系的系名升序排列，同一系的学生按年龄降序排列。select student.sno,student.sname,department.dname,student.ssex,student.age from student,department where student.deptno = department.dno order by department.dname ASC,student.age DESCgo--查询选修课门数等于或大于门的学生的平均成绩和选课门数。select stuno,convert(numeric(8,2),AVG(score)) as "平均成绩",COUNT(corsno) as "选课门数"from score group by stuno having(COUNT(corsno)>2) order by stunogo--查询计算机系修数据结构课程的学生的修课成绩，要求列出学生姓名、课程名和成绩。select student.sname,course.cname,score.score from student inner join score on student.sno=score.stuno inner join course on score.corsno=course.cnowhere course.cname="c199" order by student.snamego--查询学生的选课状况，包括选了课程的学生和没有选课的学生。select student.sname,count(score.corsno) as "选课状况"from student left join score on student.sno=score.stuno group by student.sname go--查询选修了“C06”课程，且成绩高于此课程平均成绩的学生学号和成绩。select stuno,corsno,scorefrom scorewhere corsno=(select cno from course where cname="c100") and score >--删除计算机系所有不及格学生的选课记录。select id,stuno,corsno,score from scorewhere score<10go--创建计算机系学生的选课视图view001，包括学生号、姓名、性别、年龄、系、课程号、课程名及选课成绩。create view viewScoreasselect student.sno,student.sname,student.ssex,student.age,department.dname,course.cno,course.cname,score.scorefrom student,department,score,coursewhere student.deptno = department.dno and student.sno=score.stuno and score.corsno = course.cno order by student.snogo--在学生表的年龄列上建立一索引，索引名字为ix_age。create index ix_age on student(age)go

select Teacher.TeacherId ,Teacher.TeacherPwd,Teacher.Teachername,Course.CourseName,Teacher.Teacherstate from Teacher LEFT outer JOIN CourseExamInfo on Teacher.TeacherId=CourseExamInfo.teacherId left outer join course on CourseExamInfo.courseid=course.courseid

本教程为大家介绍SQL中的多表查询，下面我们来看看具体实例吧。新建两张表：表1：student 截图如下：表2：course 截图如下：(此时这样建表只是为了演示连接SQL语句，当然实际开发中我们不会这样建表，实际开发中这两个表会有自己不同的主键。)一、外连接外连接可分为：左连接、右连接、完全外连接。1、左连接 left join 或 left outer joinSQL语句：select * from student left join course on student.ID=course.ID执行结果：左外连接包含left join左表所有行，如果左表中某行在右表没有匹配，则结果中对应行右表的部分全部为空(NULL).注：此时我们不能说结果的行数等于左表数据的行数。当然此处查询结果的行数等于左表数据的行数，因为左右两表此时为一对一关系。2、右连接 right join 或 right outer joinSQL语句：select * from student right join course on student.ID=course.ID执行结果：右外连接包含right join右表所有行，如果左表中某行在右表没有匹配，则结果中对应左表的部分全部为空(NULL)。注：同样此时我们不能说结果的行数等于右表的行数。当然此处查询结果的行数等于左表数据的行数，因为左右两表此时为一对一关系。3、完全外连接 full join 或 full outer joinSQL语句：select * from student full join course on student.ID=course.ID执行结果：完全外连接包含full join左右两表中所有的行，如果右表中某行在左表中没有匹配，则结果中对应行右表的部分全部为空(NULL)，如果左表中某行在右表中没有匹配，则结果中对应行左表的部分全部为空(NULL)。二、内连接 join 或 inner joinSQL语句：select * from student inner join course on student.ID=course.ID执行结果：inner join 是比较运算符，只返回符合条件的行。此时相当于：select * from student,course where student.ID=course.ID三、交叉连接 cross join1.概念：没有 WHERE 子句的交叉联接将产生连接所涉及的表的笛卡尔积。第一个表的行数乘以第二个表的行数等于笛卡尔积结果集的大小。SQL语句：select * from student cross join course执行结果：如果我们在此时给这条SQL加上WHERE子句的时候比如SQL:select * from student cross join course where student.ID=course.ID此时将返回符合条件的结果集，结果和inner join所示执行结果一样。四、两表关系为一对多，多对一或多对多时的连接语句当然上面两表为一对一关系，那么如果表A和表B为一对多、多对一或多对多的时候，我们又该如何写连接SQL语句呢?其实两表一对多的SQL语句和一对一的SQL语句的写法都差不多，只是查询的结果不一样，当然两表也要略有改动。比如表1的列可以改为：Sno Name Cno表2的列可以改为：Cno CName这样两表就可以写一对多和多对一的SQL语句了，写法和上面的一对一SQL语句一样。下面介绍一下当两表为多对多的时候我们该如何建表以及些SQL语句。新建三表：表A: student 截图如下：表B: course 截图如下：表C: student_course 截图如下：一个学生可以选择多门课程，一门课程可以被多个学生选择，因此学生表student和课程表course之间是多对多的关系。当两表为多对多关系的时候，我们需要建立一个中间表student_course，中间表至少要有两表的主键，当然还可以有别的内容。SQL语句：select s.Name,C.Cname from student_course as sc left join student as s on s.Sno=sc.Sno left join course as c on c.Cno=sc.Cno执行结果：此条SQL执行的结果是学生选课的情况。

【答案】：本题可以通过新建一个程序来实现统计。可以使用“查询设计器”构造以下的SELECT语句：SELECT Student.姓名;FROM Course INNER JOIN Score1;INNER JOIN Student ;ON Student.学号 = Score1.学号 ;ON Course.课程号 = Score1.课程号;WHERE Course.课程号 = score1.课程号;GROUP BY Student.姓名;INTO CURSOR TempSELECT COUNT(姓名) AS 学生人数 FROM Temp;INTO TABLE New_table$本题的主要考核点是SQL查询语句的使用。可以使用“查询设计器”构造以下的SELECT语句：SELECT Course.课程名,Course.开课单位;FROM Course LEFT OUTER JOIN Score1;LEFT OUTER JOIN Student ;ON Student.学号 = Score1.学号 ;ON Course.课程号 = Score1.课程号;WHERE Course.课程号 !=Score1.课程号;ORDER BY Course.课程名;INTO TABLE New_table2.dbf

　　A: Morning,guys!As wo know,with the society deloping.Lifelong education is of great importance in our life .First of all.why do we attach importance of lifelong education. 　　B:In my opinion,the society is in the progress,we have to improve ourselves to appiy to challenge. 　　A:Yeah,it is great!And you ? 　　C:As far as I am concerned,it is good radically.It is lifelong education that makes us wise during Our life.We all should call on lifelong education . 　　A:I agree with you.As the saying goes,there is no end for learning .Of course,words said than done,there arre some difficulties in persisting it through the whole life.What should we do to Get in ? 　　B:Lifelong education is just a kind of habit.We need to spend too much time in developing it.However ,most of students do not like reading at all.What"s more ,they hate it.It is hard for them to achieve it. 　　C:At the same time ,we would rather play compouter or click smart phones.It seems that we have on time to study.when talking about the topic ,some of us feel boring They think it of no use . B:Aha,it is true ,it may be a very common phenomen. 　　A:Both of you are good.As a teacher, I hope most of you will have the concept of longlife education. 　　B:OK,I will do my best to do so .In addition ,there is a will ,there is a way!Just do it !And you ? C: Though it may be hard ,I am fond of trying it.Let us work together . A:Okey,it is over.Last but not least,we have to stick to it ,come on,guys!!

这么多题 你是来搞笑的吧。。。

　　智能手机的`优秀英语作文 篇1 　　As every body knows, mobiles are playing an important part in our daily life nowadays.But they have both advantages and disadvtanges in my opinion. 　　Firstly, mobiles make it convinent for people to keep in touch with each other wherever they are. Especially when they have something important,mobile phones help avoid people travelling long distance to get to know the things in person . 　　Secondly,we can send messages by mobiles with little money,just 0.01 yuan for each short message. 　　Thirdly, we can also play games or take photos or listen to music on the mobiles. However, mobile phones also have many disadvatages.We have to pay for the wrong numbers which are not for us.The radioactivites may do harm to our health.Sometimes the rings may affect others in public places or at meetings .So we should be careful and make our phones powered-off in some occassions. 　　智能手机的优秀英语作文 篇2 Dear Editor： 　　Nowadays mobile phones are becoming more and more popular among the middle school students. Some students think that it is easy to use them to keep in touch with parents and classmates.Also，they can be used to listen to music or take photos. But others think that we don"t need to talk with parents and classmates with mobile phones，because we meet them every day. And mobile phones may influence our study. 　　In my opinion，it"s not wrong to follow the fashion，but the most important thing is how to use the mobile phone in a right way. 　　智能手机的优秀英语作文 篇3 　　As the development of modern technology,Smartphone has become quite popular all over the world with its outstanding functions.People can use phones to surf the Internet,their personal micro blog,and upload their latest pictures at any place,anytime.It seems that smart phones have already become an indispensable part in people"s daily lives.However,some people are indulging in smart phones,which already have side-effect on their normal life. 　　Some people,especially teenagers,are easily fall for Smartphone for these reasons.First of all,nowadays,people are under great pressure,while cell phone provides a platform for people to relax themselves.By playing mini-games,vocal chatting with friends,watching movies and listening to music,people can easily forget their problems temporary.Second,there are always something new on the phone.It is can be interesting,mysterious and various.So people are eager to turn on their phones,want to know what is happening around them.When people spend too much time on the phones,they don"t have enough chance to communicate with their friends or parents.Their attentions have been drawn away by the virtual world.Lack of good self-control,they are fragile to the smart phone addiction,while they supposed to focus on their study and work. 　　I think people should take smart phone addiction seriously.Quitting addiction needs time and patience.People should turn off their phones,go outside and communicate with others face to face.Do more exercise and form optimistic attitude towards life! 　　智能手机的优秀英语作文 篇4 　　Today，we are talking with a special phone――smartphones. 　　We know that it is popular that smartphones is among young peoples. It is known as easy to play, smart, and so on But do you know it does harm to everyone? 　　More and more young people rely on it and even are addicted to it, like taking drugs, nowadays.Yes, it is worth playing, but what about playing too much? of course. it is harmful. it can make your skin loose, and you will also have smartphone face because of too long bow. 　　So, to be honest, I advise you not to play too much on your Smartphones,because it is harmful to our health. 　　With the development of science and technology, smart phone becomes more and more popular. Even the students on campus begin to use handphone. Is it a good or bad thing? 　　Smart phone , on one hand, is good for students. For one thing , it enables students to keep in touch with their friends and family more conveniently and quickly. For another, it makes students fashionable and proud. 　　On the other hand, smart phone has a negative effect on the students. First , it will cost them more money than before. Second, it will distract them from their study and life. Third, it will sometimes become a nuisance especially when it rings in classroom or in the library. 　　So , smart phone is a good thing .However , the students should use it well . 　　智能手机的优秀英语作文 篇5 　　These days,smartphones are widely used around the world.The smartphones have already made a great effect on our lives. 　　Smartphones have great advantages.Many people use it to surf the Internet.Getting imformation is easier and easier by the smartphones.Nowadays,people use the smartphones widely as an important tool. 　　But smartphones have great disadvantages.There are so many people putting their heart on it.That makes people who are trapped in smartphones forget the real life.Expecially students,many of them give up all the things,even family,to be with their smartphones. 　　In a nutshell,the wars about smartphones take place every next second.We should use smartphones correctly. 　　智能手机的优秀英语作文 篇6 　　Hi, everybody! I am a smart phone. My name is samsung 5830. I was born in 2012 and is a little friend of samsung"s smart phone family. 　　I am about 11 cm tall, only half the height of Chinese books; My waist is about 6 cm wide, slightly wider than e pass. I"m only one centimeter thick, about the width of my master"s little thumb. My whole body is milky white, and the front is a 3.5-inch screen, similar to a business card; The reverse side has a beautiful morning glory pattern, in the center is a samsung logo; My outer ring is silver, like a shining belt. 　　Although I am small and exquisite, the function is very strong. I have so much ink in my stomach. Clocks, calendars, cameras, memos, calculators, recorders, etc., are a piece of cake for me. If I had access to the Internet, I would be more capable of checking information, reading news, listening to music, watching video, map navigation, online shopping... I can do everything. I can let my little master use QQ and anyone anywhere in the world to communicate on the Internet, that is, can write messages, can voice calls, can also video. But my I favorite is the master of the "handheld wireless city bus" function, she go to school by bus after school every day, cannot leave me, because I can make her anywhere at any time to master the situation of the bus station. 　　The little master likes me very much, because study, I will help the small master solve the problem; In life, I will bring joy to my little master. My little master bought me a pink coat with a little bear design. I like it very much, and we become inseparable companions.

I read from the "alive" after the likes of Yu Hua. I may be born with some inexplicable anxiety, or less do not know really understand the difficulties involved, in order to give New worry that the strong point of worry, his works are always saddened me very much. Bookstall at the last saw him inadvertently out of a new book called "brothers" the upper part, it is gratifying to buy it. I want to see at the beginning of the book will be put aside until LG will turn off the lights, I reluctantly closed the book will be, on the pillow. After the upper and lower on the waiting out. Left to right, and so on and so on, finally published in late March. But some have been busy in a mess of things inefficient, it was not until today that it will be finished in one breath. Chen Zhao I VE NEVER BEEN TO ME background music, there is a time for tears poured like to, but not the end. After reading each of these excellent description of the reality of work, will the hearts of many nameless ray of Tim and the vicissitudes of depression, anxiety felt in a number of old. Today is the lower part of the time, tell the truth on the upper part of the two characters have been doing is not very clear, but also the image. I read the work, there was an emphasis on the secret fate of the characters I draw, but not this time, Lee and Song Gang head of the two figures, one I do not focus. I watch them from the cold of the last century came a confusion of the times, has come to today. The last century flavor of the times I can only learn from books, posters, slogans, of procession and of the struggle, will be criticized and denounced, writing materials, such as those words again and again in the emergence of many well-known writers brushes, although the description of the different characters, but the scene More or less the same. I never could not understand what it is, it also can not speak. Yu Hua in the new so-called out for the first time to face the reality of the novel, but I really see the reality of the shadow. Beauty, advertising, as well as the sale of counterfeit charlatan Lee was also involved in a head restaurant, bath center, real estate and so on, finally, he has also set up a holding company, dividends, the economic phenomena are related to him, but For restaurants, bath and how the operation has not written, the author may not want to turn it into a description of the operation of commercial fiction. Song Li Gang and the fate of skinheads in the novel seems to be deliberately arranged very strange. Song Gang honest, introverted, loyal, kind-hearted, as in the ordinary course of such a person, no matter at which age should be a good person reported good, there should be a good end, but even 20 years of marriage but no children born, and finally Wogui suicide; Lee and skinheads, rude, and even direct a small rogue, but his loyalty, justice, life is a balance sum, do not lose out not fooled, do not account for other people less, the hard way, even if he is big business , We should not be the traditional self-Ren Jun is the tooth, in those days, his 14-year-old girl peep on the bottom, was arrested last march, but he just die disaster; his father with no mother, Yu Zhao-he-is a very, very good to him, dead set on the Song of Steel, the two brothers Xiangyiweiming into a new era. The new era of Song Gang-wen only appearance, Lin Hong-face after 20 years of marriage have been an honest day"s work when the work honestly, the laid-off workers find jobs on the honest, and even the nature of things Are honest, every time not more than 2 minutes; Lee skinheads, are not always honest, the factory does not stay honest, it is necessary to do business out of business did not make the less other people"s money is not honest, to the county When arguing with the Government to return to the factory manager. Even in front of the county government does not stay honest, while also doing Shou Polan protest against the side of the business. When money is not honest, to harass groups of red-lin, the money is not honest, direct people to receive their own bed. He is not honest, they just have to let Lin Hung climax, but also one after another, not only the case, Lin also hong them to realize a happy, and addicted to it. This is not the old saying goes, "not a bad man, a woman does not love"? Song honest with steel-off after the charlatan hard to run out of the arena in 2012, made himself a disease, the last to get 30,000 of the money, his wife told other people run their own suicide Wogui; not Lee"s honest head Shi Polan up in front of the county government has become a multimillionaire, was the last to get its red-lam on the bed, the old veteran still on the aerospace spacecraft into outer space, and Song Gang at this time only one holding the ashes. Tears. People do not know for himself or for life, as fate. Yu Hua to feel that life is too well written and the arts. Lu said that the hybrid get all kinds of people, merged into one single. Li Yu Hua"s works in the fate of skinheads too good, and why he always Juechufengsheng, and Song Gang why no one good chance? Song Gang sp again, will not have a child on Health Come see! Why then do people deliberately run. After reading the book, the general feeling is that to be honest and the people who are admired, sigh, but not dishonest to the people it is. However, it does not correspond to the life of me. Over the years, I have always believed that the forces of evil are only temporary, honest people who suffer only temporary, as time goes by, honest people who will ultimately well reported. Honest people who will ultimately end up well. The villain who is also a natural subject of retribution. Lee is not a bad head, he is not surprised that I am wealthy, so some people do have, the opportunity to encounter a good, rich oil also for the benefit of the party. But Song Gang Ho As to the fate of them suffer so much? In order to compare before and after it? Lee is to head comparison? Yu Hua in the description of the phenomenon of social satire, when the use of humor has matured, but the social phenomenon is superficial and does not make a more extensive analysis. Fuli Chang further that the 14 loyal to me very strange feeling. Three silly fool on it, with a total of the other people are not stupid, but this time the four loyal like the Cultural Revolution left behind a few relics of the statue until the end of the work, their position has changed. World Wind is next, Renxinbugu. The only difference is that Lee"s head the welfare of the people regardless of the factory head Li is good or bad, as long as he went to Fuli Chang, the factory of those with disabilities, as always, on his support. He spoke, they applauded; he needs to build momentum, they line up on the parade; he did not even eat, and they asked him to eat on the pool surface, and let him eat up all the other people in the next Tunkou Shui. Yu Hua is perhaps left us traces the history of it. The author may still remember that the era has gone it!请从上面摘抄一点吧

没有一点基础的话说再多都是多余，建议先看些SQL 基本的常用增删改查。先学跑再学走！这样对你会好一些

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

Outercourse是一个起源于美国的术语，指的是一种six（和谐e）接触的方式，旨在避免直接性交而进行的其他six（和谐e）接触方式。这种类型的性行为涉及到一系列的身体接触，包括亲吻、爱抚、拥抱、按摩等，但不涉及到直接的six（和谐e）器官接触。Outercourse通常是一种安全six（和谐e）行为，可以避免性传播疾病和怀孕的风险，因此它也是一种受欢迎的避孕方法之一。但需要注意，它并不是百分之百的安全，因为某些疾病（如艾滋病）。此外，Outercourse也是一种增进情感联系的方式，在建立亲密关系方面具有广泛的应用。它可以帮助夫妻或者情侣建立更深层次的沟通和信任关系，增强二人之间的亲密感。Outercourse提供了多种形式的接触和体验，它不仅确保了six（和谐e）行为的安全性，还可以促进情感联系。但需要注意的是，Outercourse不是每个人都适合的six（和谐e）行为方式，对于选择Outercourse作为six（和谐e）行为的人，需要保证彼此的自愿、同意和尊重。

要想的得到这样的结果，只能left join,标量子查询办不到的。。

The authentic Black Forest cake Germany"s Black Forest cake production has strict requirements in the 2003 national cake in the management, "Black Forest Cherry Cake is cherry wine cream cake, cream cake filling is also equipped with Cherry, Cherry joined the amount of alcohol must be Can obviously come to taste wine. Cake end up with thin cake, with at least 3% of cocoa powder or cocoa from oil, can also use the crisp cake at the end. Outer layer cake with cream package, and Grated chocolate embellishment. " Sales in Germany of the cake, only to meet the above conditions, have the right to be called "Black Forest cherry cake."The lowest layer: 125g Weizenmehl (flour) 10g Kakaopulver (cocoa) 1 of the tip. Backpulver (baking powder!) 50g Zucker (sugar) 1 bag vanilla sugar 1 cherry spoon Dose of water 75g soft butter or Margarine In the middle of the cake sandwich 5 eggs, Low-gluten flour, 110 grams, 30g cocoa powder, Salad oil 75ML, Milk or juice 75ML, 100 grams of sugar, One tsp baking powder, A few drops of lemon juice or white vinegar melon. The fruit in the middle of the sandwich: 1 bottle Sauerkirschen canned (in the content of Cherry 350g) 250ml of water canned cherries 1 bag Tortenguss, rot 25g sugar In the middle of the butter sandwich: 4 box Schlagsahne (cream) 1 bag Gelatine 5 spoons of water 40g powdered sugar 1 bag vanilla sugar External decoration: Chocolate chip 1 process, the mold will find butter, and then covered with a Backpapier! ! 2, the process will be 125g Weizenmehl (flour) 10g Kakaopulver (cocoa) 1 tip of the Backpulver (baking powder) 50g Zucker (sugar) 1 bag vanilla sugar 1 cherry spoon Dose of water 75g soft butter or Margarine Live dough into a ball! Then, in the shop on the cake mold, and then inserted in the middle with a fork a few more eyes, after the warm-up ahead of time into the oven. Bake 180 degrees for 15 minutes after the show, cool! ! 3 course in the middle of the sandwich cake: First of all, the egg white and yolk separated from the egg yolk into disk, started to pass, with the fastest speed Mixer hit 1 minute, and then poured into 50 grams of sugar, (one minute) to continue to fight, and then continue to fight 2 minutes! ! Flour, baking powder, cocoa powder are mixed, screening, adding the eggs, at best! And then drop a few drops of lemon juice or white vinegar on the protein, hard to pass, plus the remaining 50 grams of sugar, protein and egg batter mixed, after earlier touched into the butter mold, 180 °, bake about 30 minutes! Liang Liang out! Process 4: The following sandwich production of fruit! 1) The first canned fruit juice and sub - 2) to prepare Tortenguss, take 250ml of the juice by adding generation Tortenguss, and 25g sugar, in the beginning of heating on the stove! You should pay attention to the back! Or on a paste, and then opened after the accession to the cherry. Process 5: Ready Gelatine! Add G will be a small pot, adding water spoon, 4-6, and then put the net 10 minutes, 10 minutes, it will be water, and then he put on the stove, low heat, melt the course of its 6 , Following a fight cream! ! First of all, must be too cold butter, and pour it into the basin, across the ice water (not cold water can be!!) To start with the highest possible speed to pass, hit a 2-to 3 minutes, the fast pass, put Into the warm Gelatine, and then continue to fight until the pass so far! Add powdered sugar and vanilla and sugar! ! Well, that"s all ready prepared to begin assembling the cake! First of all, will be awarded a cake is divided into 2. Then there are the eyes of the fork at the end of the first layer, placed above freezing cold cherry! And then touch cream! Covered with a layer of cake, a layer of butter on the touch! And then finally sealed with a layer of cake! ! Done! Finally, cake decoration on the surface, you can garnish some of the chocolate chip! (With their own will be able to cut the chocolate!)

我要杀了你

骂人的话

项目中常常有同学遇到这样的问题，现象是给元素设置了overflow:hidden，但超出容器的部分并没有被隐藏，难道是设置的hidden失效了吗？其实看似不合理的现象背后都会有其合理的解释。我们知道，overflow属性值有这几种：visible：声明内容不会被剪裁。比如内容可能被渲染到容器外面。hidden：声明内容将被剪裁，并且也甭想使用滚动条来查看剪裁掉的内容。scroll：声明内容将被剪裁，但有可能出现滚动条来查看被剪裁掉的内容。滚动条出现的位置在inner border adge和outer padding adge之间。auto：声明决策将依赖于客户端，优先使用scroll。W3C标准中指明：通常一个盒子的内容是被限制在盒子边界之内的。但有时也会产生溢出，即部分或全部内容跑到盒子边界之外。溢出将在满足下列条件之一时出现：1. 一个不换行的行元素宽度超出了容器盒子宽度。2. 一个宽度固定的块元素放在了比它窄的容器盒子内。3. 一个元素的高度超出了容器盒子的高度。4. 一个子孙元素，由负边距值引起的部分内容在盒子外部。5. text-indent属性引起的行内元素在盒子的左右边界外。6. 一个绝对定位的子孙元素，部分内容在盒子外。但超出的部分不是总会被剪裁。子孙元素的内容就不会被子孙元素和其包含块之间的祖先元素的overflow的设置所剪裁。当溢出发生时，overflow属性约定了容器盒子是否剪裁掉超出其内边界的部分，并且决定是否出现滚动条来访问被剪裁掉的内容。它会影响到元素所有内容的剪裁，但有个例外情况，即上面第6条所提到的：元素的子孙元素的包含块（Containing blocks）是整个视窗（viewport）或是该元素的祖先元素，内容将不会被剪裁。包含块是什么呢？简单的说，就是可以决定一个元素位置和大小的块。通常一个元素的包含块由离它最近的块级祖先元素的内容边界决定。但当元素被设置成绝对定位时，包含块由最近的position不是static的祖先元素决定。看起来有点绕，让我们来听个简单的故事吧。html片段:<div class=”ocean”><div class=”land”><p class=”joke”>Mrs. Smith couldn"t get her husband to exercise.She asked Mrs. Jones what she should do. Jones replied,”Tape the remote control between his toes.”</p></div></div>style:div.ocean{position:relative;background-color:blue;width:120px;height:120px;}div.land{width:100px;height:100px;background-color:red;overflow:hidden;}p.joke{width:150px;height:110px;margin-top:30px;margin-left:30px;background-color:yellow;}上面的代码讲述的是这样一个故事：蓝色的海洋里有块红色的大地，红色大地内有个黄色的段子。由于段子样式的设置，它的部分内容超出了红色大地。为避免黄色段子污染到蓝色海洋，红色大地警惕的为自己设置了overflow:hidden;这样超出大地的黄色部分就被剪掉了，我们看到的将是这样一派和谐景象。

一个安全组织，美国的进口和出口的产品是安全的组织。 p.s： 提取安全知识 章安全的基本知识 安全的定义和目的。 定义：安全法规的范围内使用的设备按照美国。 应用安全法规的目的：是为了保护用户的安全，生命，财产，如触电，火灾和其他危险。 通用的安全标准。 基本上按照IEC国际标准，各国在制订自己的标准，根据国家的需求。 如果IEC60950（信息技术设备信息技术设备） 3。美国 - UL60950 - 欧盟EN60950 5 - GB 4943 6澳大利亚 - AS3260 日本 - J60950 韩国 - K60950 特别是标准制定数量仍然是IEC60950 - 10新加坡，阿根廷。 11医疗设备 - IEC60601 12视频产品 - IEC60065 13家电产品 - IEC60335 IEC安全标准，一般的自定义名称IEC60XXX 通用自定义名称EMC标准IEC61000- 一般电压。 北美 - 美国，加拿大120V，60HZ 中美洲和南美洲 - 220V，一些国家有120V 欧盟 - 230V，50HZ（英国原装240V，和其他西欧国家为220V，因此妥协220V） 东欧 - 一般是220V，50HZ 日本 - 100V，50 HZ澳大利亚，新西兰 - 240V，50赫兹 其他6个国家，主要是220V。：中国，韩国，东南亚等国家。 电源供应器的形式。 1。适配器 - 塑料外壳 一。 I类接地引脚 二。第二类接地引脚（双绝缘）进气口直接插入墙上的开放式框架 - 壳，铁壳 五。 CB报告 的。 CB报告。 2。 CB - 认证团体的认证单位。 3。 NCB - 国家认证单位。 4。 CB报告功能。 5 - 节省申请时间，成本 第二章产品的安全设计注意事项 安全部件承认点 1。 X电容 X电容，的广场电容，使用的X电容，解决EMI问题。 X电容通常是多个国家的安全认证，认证标准IEC384-14第二版，1993年。 X电容放电较慢。解决排放问题，通常与X电容串联一个电阻，这个电阻被称为泄放电阻，当X电容0.1uF的泄放电阻会增加。 a）所示。 UL-FOKY2的，FOWX2 IEC384-14 X2批准不控制的品牌和型号。 b）所示。等安规：控制品牌和型号，更换标签纷纷予以报道。 C）。评分：最大。报告只适用于小一成不变的，否则报告。 D）。一般飞宏标签： 的OKAYA：PA，RE型 ARCOTRONICS：R.46，1.40，1.47禁用 华月：MKP型 Roderstein：F1772型 EVOX RIFA：PHE840M E）。一般X电容器相同的温度被限制在100°C 2。 Y电容 Y电容分为Y1，Y2电容，Y1电容单介电容器，电容Y2电容的双重绝缘。 Y电容越大，漏电流（漏电流）II类产品的泄漏电流限制是0.25毫安，，如果Y容总价值大于3300PF，它将会失败。 X，Y电容非必需元素，如果确定产品的设计，布局，EMI也没问题，您不能使用该类型的元素（可选）应用程序的一般安全规定，当X，Y电容列其最大EC电容要注意温度不超过额定温度，一般设置为最小电容值改变大非改小只能。 a）所示。 UL-FOKY2的，FOWX2 IEC384-14 X2批准不控制的品牌和型号。 b）所示。等安规：控制品牌和型号，更换标签纷纷予以报道。 C）。评分：最大。报告只适用于小型不变的大。另有报道。 D）。横跨次级侧电容器称为桥接电容。一般超过3300UF LCC测试，安全测试可能会失败，请特别注意。 E）。一般飞宏标签： TDK：CD（Y1），CS（Y2）型 村田：KX（Y1），KC（Y2）类型 潘海外：AH（Y1），AC（Y2）类型 成功之道：SE（Y1），SB（Y1），SF（Y2） Roderstein：WKO型（Y2） 松下：NS-A型 f）段。一般X电容最高温度上限为85℃。 TDK CD型和成功的SB，SE型安全获准以125°C. G）X，Y，电容一般可在报告中标记为“可选。 3。保险丝/温度保险丝（热切断） a）所示。保险丝选用标准 - 超过额定输入电流大的可以。 b）所示。不这样做，小型电源转接器?2.5A。 CE浪涌保险丝额定输入电流，保险丝太大的差异，只要测量1KV（2针适配器）2KV（3针适配器）有时不能立刻爆发，导致最终用户终端的风险。 C）。因为保险丝是一个重要的安全部件，制造商/类型，你必须准备样品。 D）。报告的安全保险丝测试完成后，需要做的。 E）。通知两名工程师，制造商和类型。 f）段。无论在任何情况下，如果温度保险丝，没有任何动作，你可以申请择。 4。储能电容 a）所示。一般应用在分钟。如果评级是较大的，不能设定提交报告。 b）所示。等较小的申报和测试。 C）。储能电容 - 唯一的控制等级，不控制的制造商和类型。 D）。最高温度是105℃，如果温度过高，还可能影响最大。环境的限制。 5热缩套管： a）所示。应该有UL，CSA认证。一般安全报告没有说明制造商和型号。 b）所示。评分：选择一个合适的电压和温度。飞宏600V，125℃（600V几乎所有的？） 6。变压器 a）所示。整个完成的最重要的部分，如果变压器的变化，至少有50％的测试重做。 b）所示。线圈的直径变化报告的安全法规。 C）。 UL B级130C保温系统。 D）。没有使用三层绝缘线系统相比，短跑2 B-5。 文件系统是因为长春胶木骨架系统e）如果使用三层绝缘线 - HIS-8A系统相比。 文件系统是因为古河型TEX-E和TOTOKU的TIW-E型三层绝缘线在这个系统中。使用骨架期可能只有日立CP-J-8800型（胶木）f）绝缘系统必须在变压器上的标签上标明。 克）。申请UL在不使用三层绝缘线的情况下，A类和B类的材料是一样??的，一般是直接申请一个B类变压器。 小时）。在飞宏没有申请UL E级绝缘系统。 I）。 ，古河和TOTOKU三，绝缘电线UL认证的只有105℃，但包括日立化成HIS-8A系统，并因此可用于在B级130℃，但是，如果单独使用，它仍然是仅105 C UL认证。 J）。古河TUV只有E级120摄氏度承认。 TOTOKU TUV 130℃承认。 K）。 UL B类系统，所有的材料，不论为何个体识别的温度，只要在系统中的柱材料可以使用，但在系统中没有列出不就可以使用。 升）。上的温度的材料本身的确认，以决定是否要使用的安全取决于 米）。变压器水平 A类 - 温升<75 K E类 - 温升<90 K B类 - 温升<95 K 其他H级，F级 *申请UL变压器等级E级，申请的绝缘系统。 N）。变压器的绝缘系统 （1）PH变压器的绝缘系统UL文件：E149666 ？三层绝缘线系统HIS-8A ？无三层绝缘线系统DASH B-5 （2）变压器的绝缘系统绝缘等级B要注意的材料 ？线轴 麦拉胶带，挡墙胶带 ？三层绝缘线（如果有的话） ？清漆。 O）。表面的变压器的变压器必须印上属于保温系统（HIS-8A或DASH 2个B-5）变压器模型，如变压器PSC05R-050，表面，应标明C05R0501 PHIHONG E149666 HIS-8A内容。 7。噪声滤波器（NF）。 承认NF控制的CB报告或UL报告的要求。一般来说UL的噪声过滤材料和制造商没有特殊要求，只要其温度可承受的最高温度上升的变压器，他们所使用的材料和制造商都必须符合飞宏保温系统。 8。塑料括 a）所示。直接插入式的产品。适用于插头IEC950做球的压力，球压试验温度为125℃分钟。个小时，再考虑材料的插头。 b）所示。的外壳插头（塑料部分）做了烤箱和球压测试，适用于两个或两个以上的材料，每种材料提供样品。 C）。美国式的直接插入适配器，UL1310 2000年版的距离缩小为5.2毫米，但因为加拿大的距离保持不变，因此申请UL，CUL或7.9毫米分钟的。为准的距离在这里是适配器插入到插座中，金手指AC输入的叶片之间的最近距离。 9粉丝 a）所示。除了注意其大小在风扇的选择，最重要的是风量。 b）所示。完成安全报告一个新的风扇，请尝试找到比原来的风扇风量（CFM）。否则的温度，异常...要重新测试。 C）。要求客户经常抱怨噪音过大的风扇。 D）。风扇请找UL和欧洲监管机构的认证类型。 10。 AC / DC线 a）所示。一般应用没有连接电源线，但如果考虑到客户的出货量将伴随着AC电源线，你就可以申请可选的交流电源线。 B），交流电源线可选的，如果没有申请，将必须分开包装，而不是在同一个纸箱。 C）。 UL等安规报告中的部分不能确保安全，DC电源线UL安全部件将被写入。 D）。如果申请UL VW-1是至少80°C UL一般都标有300V但是，如果样品的安全等级将按照与样品的种类，等级，温度直接写在UL报告，前。 18AWG 2464型，VW-1 80℃，请线材生产企业的样品要特别注意。 11地黄和绿线 a）所示。接地线的争夺终端。 b）所示。如果使用的是3引脚在将接地线的一端的入口的入口的FG引脚直接焊接，不焊接在PCB上的两端。 C）。如果开放的帧类型3针连接器，不确定的未来将铁壳地。因此，这两个地方做接地测试。 12个安全部件 a）所示。开关控制品牌，型号，等级。 b）所示。继电器 - 控制的品牌，型号和等级。 C）。压敏电阻 - 控制的品牌，型号，等级。 D）。进/出口控制的品牌，型号，等级。 E）。光电耦合器（PC） - 品牌，型号，内部绝缘距离，压力控制。 f）段。绝缘体 - 聚酰亚胺/聚脂薄膜胶带，绝缘垫，绝缘聚酯薄膜 （1）一般绝缘胶带UL94承认UL卡上只有使用温度。聚酯薄膜/聚酰亚胺胶带，你想通过AC3000 /每建筑高锅test.l的绝缘 （2）绝缘垫来控制的品牌，型号和温度的阻燃等级。 （3）。聚酯薄膜片通常用于94V-0，但被承认的温度只有60℃。所以，环境温度应注意的期间是否会超过温度。 （4）。二极管 - 控制级别。 （5）。电阻器 - 控制级别。 13。国家插头 a）所示。美国类型 - 在北美，日本，台湾......欧盟的类型 - 在欧洲和典型的220V电压的国家使用..英国类型 - 在英国，爱尔兰..澳大利亚类型 - 澳大利亚??，新西兰。 E）。韩国类型 - 在韩国，相同的形状和欧盟的类型，但类型4.0 mm金属帽欧盟，韩国键入4.8毫米时。 f）段。阿根廷类型 - 类??似于澳大利亚插头附近，接近中性针，你要打印的“N”。 14。塑料预期。 一。不同的塑料材料有不同的适用温度燃烧等级。 前。 PC + ABS GE C2950 80C，V-0级 PC GE 940 120C，V-0的 改性聚苯醚GE SE1 105C，V-1 二。因此，必须选择其使用范围的基础上。 C。安全测试塑胶原料。 四。外壳最小烘箱试验。 70C。 E。待球压测试分钟的电气部分。 125C。 F。降，冲击试验（壳）。 G的一部分。绝缘片（聚酯薄膜）。 小时。使用的隔离，在次级侧，最小值。厚度要求0.4毫米。 我使用的一个或多个次级侧，最小隔离。按照UL卡的厚度要求。 j的最小厚度要求。 K。前。 FR1分钟。 0.23毫米94V-0，110C。 升。通用塑胶原料，只要UL认可，其他国家可以接受的。 米。 UL测试标准的塑料材料的UL 94。 PCB。 a）所示。保险丝额定值应注明靠近身体，并不能引起混乱。各部分的ID也必须清晰可辨。 b）所示。安全距离： 沿表面的编号说明空间 1 AC线自然2.0 2.5 2 AC线-FG 2.0 2.5 3小学中学（<20W和20W小时）2.0 2.5 4.4 6.4 4小学PE 2.0 2.5 5号线地面无 6保险丝2.0 2.5 7二次侧无 8辅助-FG无 前9第一保险丝2.0 2.5 c）其他的PCB背板，该屏蔽板，要求如下： （1）铜箔一系列不连续的国内需求，和任何连续的表面直径不大于的安全性和监管要求尺寸 例如：CHANYOU（千好友）最大。 25.4毫米 渔湾（裕华）最大。 9.4毫米 （2）基的二次侧，或必须注意的初级侧和次级侧之间的距离应该是不小于5mm。 16。型号标签： a）所示。一般要求： 一般型号标签上须标明：公司名称或商标，型号，输入电压，输入电流，输入频率，输出电压，输出电流，AC和DC符号和安全标志和叙事。电压是230V交流输入电压，由于欧洲联盟（欧盟）的国家，其产品必须具有的230V交流输入电压：220-240V，交流230V ,230-240V，100-240VAC，独立220VAC或240VAC是不可接受的。 需要的有机物种的名称，类型：开关电源，AC适配器，AC电源 b）所示。型号命名要求。 安全证书是一个输出限制规定的模型，可以申请PSE安全系列，一个合适的范围内。 中国安全法规适用于系列机型，但衍生的系列车型时，我们应该注意的安全证书的型号标签上的型号名称是一致的。 新加坡安全只适用于个别车型系列衍生车型，所以画的型号名称型号标签必须确认是否是一致的型号名称上的应用程序的安全证书。 C）。商标的认证和标签的要求： 除的特殊要求UL安全标签上的图商标，其他国家的安全要求在标签上的商标必须是一致的认证和CB认证商标备案，否则它就会有到重，报告准备前印刷新的商标。 D）。对安全标志国家要求的标签印刷。 （1）中国 - CCC。厂出厂编号，型号标签上除了有CCC（S＆E），但也必须标明。适用于印刷，配送中心必须先申请中国国家认证监督委员会“CCC”标志，然后再印刷CCC标志的授权“CCC”标志。 （2）日本 - PSE。印刷标签上的PSE标志，应该是日本公司的名字印。 （3）韩国 - KTL。韩国安全认证标志，印刷标签上，除了有一个认证号应该是生产领域的名称和当地代理商或公司的电话。 E）上的标签，符号和字母的意思表示。 ：II类设备，也被称为双重绝缘。 LPS：电源有限。 ITE： 二。安全标志是一般常见的错误 1。双重绝缘标记分钟。 5毫米。 2。 CE标记分钟。 5毫米。 3。 C-tick标志分钟。 5毫米。 4。墨西哥NOM标志不要只画一半旁边的箭头标记应该加上。 5。注意：基本上IEC60950注意事项的要求，但如果是放在了合规的的字高3.2毫米规定的CCC标志，把工厂数量。 安全配件特别注意事项 至少两个或更多的供应商，以便购买材料的问题，或原始制造商的质量问题，可以不立即进行取代。 精心挑选的供应商 - 曾经遇到过一个风扇，开关...供应商的倒闭，并须提交新的供应商，利用现有的制造商。 Ex.X，Y电容X，Y电容，是公认的系列，如果个别新的供应商，只有少数几个模型中使用的安全申请人未必知道你要举报（客户指定的例外） UL - 如果仅仅是文件的工作，最小值，500美元。如果测试，根据测试内容的其他费用 2其他安全成本： TUV提交测试的部分不作为，还提供新台币70.0。 应用更安全，成本较高提交。 所以，你的工程师仔细选择部件，并量一次告知所有源的安全法规，另一些部分可能无法在电气和机构，如进气口的设备的安全人员，以帮助找到第二个源章飞宏的型号命名规则 例如，一台机器的种PSXYYZ-AAA。 1。 X = A，M，C。 A - 标准模型前。 PSA60W。 一个M - 客户各种防爆PSM4604C。 C - 前低的成本模型。 PSC10A-050。 YY - 输出功率防爆PSC10A-050（10瓦）。 3。 Z - 输入延续的方式。 ？ A - 直接插在墙上的前美国型插头。 PSA10A-050。 ？ C - 直接插入墙上的中国式插头前-050 ??PSC10C，。 ？ E - 插头直接插入墙上欧盟类型的前PSE10C-050 ？ K - 直接插墙式的英国式插头前PSE10K-050 ？ ，小号直接插入墙上AUSTRA型插头前。 PSE10C-050。 ？ ?直接插入墙上的韩国型插头前。 PSE10H-050。 ？ ?直接插入墙上Argentain型插头前。 PSE10N-050。 ？ W - 2针入口前。 PSA60 W. ？ U - 3针入口前。 PSA50U-120 AAA输出电压伏前PSA60W-120 12V如果应用程序是安全的，根据他们的输入连接，必须确定适用的国家安全法规。

free shipping free return免费送货，免费退货例句:1.Wide shoes-free shipping& return shipping. 鞋宽免航运船务返回。2.Unilateral commitments by the buyers return shipping charges. 由买家单方面承担来回运输费用。3.Last year it introduced "amazon prime", which provides free shipping in return for a one-off payment. 去年，它推出了“亚马逊优惠计划”，对一次性付款的顾客提供免费运输服务。4.Benefits include free shipping, gifts, offers such as buy one and get one free, and discounts. 免费福利包括航运、礼物和提供诸如买一送一,折扣.5.If we have refunds agreements, you will be responsible for the return shipping charges. The balance will be refunded back to you after we receive the items. 如果达成退货退款协议，本店铺会收取货品退回运费。我们在收到退回货物后，会退回款项。

你是不是之前装过？数据库里面有相关的表。建议你进MYSQL数据库，清理干净相关的表，再装。

直接在报名的网页上查看。1、百度搜索广东省人事考试网，点击官网进入。2、进入官网页面后，点击网上报名。3、在新页面中，找到并点击公务员报考专题。进入公务员报考专题详情页面后，点击报名情况统计。4、在新页面中即可看到报考公务员职位的人数。报考条件：（一）具有中华人民共和国国籍；（二）18周岁以上、35周岁以下，应届毕业硕士研究生和博士研究生（非在职）年龄可放宽到40周岁以下；（三）拥护中华人民共和国宪法；（四）具有良好的品行；（五）具有正常履行职责的身体条件；（六）具有符合职位要求的工作能力；（七）具有大专以上文化程度；（八）具备中央公务员主管部门规定的拟任职位所要求的其他资格条件。以上内容参考 百度百科——公务员考试

免运费/免费运送

mantis文件夹下config_defaults_inc.php文件中，修改$g_severity_enum_string（严重程度）和$g_priority_enum_string（优先级）的值；如果你使用的界面语言为简体中文的话，还需要修改mantislang下strings_chinese_simplified文件中的$s_severity_enum_string和$s_priority_enum_string的值严重程度的默认级别的值是50，优先级默认值为30。

　　对于订单超过50美元的免费送货。　　你提问的是我上述的回答。　　你图片上提供的问法是不一样的，图片上的句子只是写了数量35，所以可以译为订单数超过35可以免运费。　　你的问句里是 $50，所以是翻译为：超过50美元的免运费。u200d希望对你有帮助。