2012届南通市初中地理学业水平测试试题为什么还没出来?

小洋9982022-10-04 11:39:541条回答

已提交,审核后显示!提交回复

共1条回复
夏日甘禾 共回答了21个问题 | 采纳率90.5%
没听懂你说啥.
如果是考试题的话,现在还是2011年.
如果说是模拟卷的话早出了.估计你们老师没给你.
1年前

相关推荐

为了解2012届本科生的就业情况,今年11月,某网站对2012届本科生签约状况进行了网络调查.截至11月底,参与网络调查
为了解2012届本科生的就业情况,今年11月,某网站对2012届本科生签约状况进行了网络调查.截至11月底,参与网络调查的33600人中,只有7521人已与用人单位签约.在这个网络调查中,样本容量是______.
cobberwang1年前1
丫头0402 共回答了25个问题 | 采纳率96%
样本容量是样本中包含个体的数目,没有单位.本题中的样本是参与网络调查的33600人,所以样本容量是33600.
故答案为:33600.
求镇江市2012届高三期末调研历史答案一月份的
LW乖乖鱼1年前1
一片回忆 共回答了14个问题 | 采纳率92.9%
刚讲完选择 BACBD BCCAD DDBCB DBCBC
谁有 :金太阳教育研究院数学研究所编审的 2012届高三第三次联考数学试卷》的所有题答案,感激不尽!
带梦想一起飞翔1年前3
红袍狼子 共回答了14个问题 | 采纳率85.7%
这个真没有 呵呵
常州市2012届高三第一学期期末调研卷
ciytze1年前1
kenny181818 共回答了22个问题 | 采纳率81.8%
这我还不知道呢
黄冈八模 2012届高三数学模拟测试卷4
kengfang1年前3
柯一梦 共回答了25个问题 | 采纳率92%
1-5:bccda
6-10:bbadb
11-12:db
13.(1,正无穷)
14.14 15:.4:2:派 16.-a1/a0
2012届金丽衢十二校高三第一次联考化学答案
jingxuo1年前1
影之形 共回答了19个问题 | 采纳率89.5%
A A D B A D D D
AC A AC D AC C D BD
三、
有些是图看不到,答案太长发不完 ,你追问 我接着发
求2012届上海浦东新区高三英语一模答案
黑报1231年前1
冰南册 共回答了12个问题 | 采纳率91.7%
I.Listening Comprehension
Section A
5 BBADD‖ 10 CDCBA
Section B
11~13 CCD 14~16 CDA
Section C‖
17.digital 18.Mark ‖ 19.‖ Property 20.0809 45233
21.the (school) library 22.Chatting with friends 23.mystery and action 24.application interview
II.Grammar and Vocabulary
Section A
25~29 ABDBC 30~34 BCBAC‖ 35~40 BAADAC
Section B
41~45 HCABD 46~49 FIEG
III.Reading Comprehension Section A
50~54 BDAAB‖ 55~59 DCDAB 60~64 DCABA
Section B
65~68 ADCD 69~71 CBD 72~75 DADC
Section C
76~80 CADFE
Section D
81.commercial pollution … food chain
82.draw people’s attention to the danger / warn people of the danger
83.She published the results of her study./ She made it known to the public.
84.People should eat less sea food./ People should cut down on fish in their diets.
第II卷
I.Translation
1.Simple lifestyle benefits environmental protection.
2.More concern should be shown for the children whose parents are away working in other places.
3.The calmer you are when faced with difficulties,the more likely you are to overcome them.
4.Today many vegetables are grown not in gardens but in greenhouses so that they can be protected from wind,rain or insects.‖
5.He and I share the same views and are similar in age and family background,which I think is the reason why we have become good friends.
学校将为2012届学生举行毕业典礼,邀请你作为学生代表 英语作文
学校将为2012届学生举行毕业典礼,邀请你作为学生代表 英语作文
感谢父母,老师 对学校生活的感受,对未来展望

就这个

shihuanan1年前1
lancerveo 共回答了21个问题 | 采纳率95.2%
同学,我不知道,你要写一个什么水平的作文,比如中学、高中、大学哪种?所以我就给你个最难的吧,你看看可以删减
Honorable teachers, my fellow students, ladies and gentlemen,
I’m Li Shuangfu, a senior who majored in English. It is my great honor to be with you today for the commencement of the Foreign Language Department. Today, sixty nine of us are going to graduate from this university-China University of Geosciences. It is our big day!
First of all, please allow me, on behalf of all the graduate students, to show our appreciation to all the teachers who have been teaching and guiding us in the past four years in this department and this school. Without your help, we would not make it here. Well, I have a suggestion here. All the graduate students please stand up. Teachers, please remain in your seats. Let’s give our warmest applause to our dearest teachers. Thank you. Take your seat please.
Time flies! Four years have gone away in a blink. In the past four years, we celebrated the tenth anniversary of our department; we experienced the undergraduate teaching evaluation and gained honor for our school; we witnessed every achievement, big or small, of our department and our school. We have been growing up with the Foreign Language Department.
Every face here is memories. Guys, I won’t forget the days in Zijing Apartment when we watched the live sports games and yelled together. Editors of English Space, also known as my colleagues, you are all so fantastic that I can not think of a word to describe you. All I can say is “Thank you from the bottom of my heart”. All the member of the students union, you organizing of the English Cultural Festival each year makes us proud of being a student of this department. I have heard lots of sayings and complements and I want to share this one with you, which comes from one of the school’s leaders-“Without your English major students, most of the students’ activities would not work out in this school.”
Graduation is not the end; it is the beginning. Graduation is only a concept. In real life, every day you graduate. Graduation goes on until the last day of our life. Today is the day we graduate from China University of Geosciences and today is also the day we step into the university of society. We are going to carry forward the traditions and make achievements for ourselves, our parents, our school and our country. Here, my best wishes to every one of graduate student. We are confident that we are going to make it.
Again we want to thank all the teachers and wish them all the best!
No matter what happens, our hearts, our souls and our love will always be at the Foreign Language Department.
Thank you. Thank you all very much!
(泉州市2012届普通中学高中毕业班质量检查)下列对有关育种方法的叙述中,正确的是A.多倍体育种需在获得单倍体植株的基础
(
泉州市
2012
届普通中学高中毕业班质量检查
)
下列对有关育种方法的叙述中,正确的是
A
.多倍体育种需在获得单倍体植株的基础上进行
B
.单倍体育种需在亲本植株染色体数加倍的基础上进行
C
.杂交育种的亲本双方可以是具有相对性状的杂合子
D
.诱变育种可以获得目的基因发生定向变异的新类型
elitor1年前1
mybasa 共回答了18个问题 | 采纳率77.8%
A 多倍体育种不需要获得单倍体基础上,如三倍体无籽西瓜的获得
B 单倍体育种不需在亲本植株染色体数加倍的基础上进行,单倍体育种需要花药离体培养获得单倍体后人工加倍
C 正确
2012届新版点击 下列对孟子无或乎王之不智也 ,理解不正确的一项
zy_jtl1年前1
otgfdnb 共回答了21个问题 | 采纳率95.2%
A.孟子认为,做任何事情都必须“专心致志”,每个人学习和修养也是这样.如果胡思乱想,终将一事无成.
B.孟子认为,君王不智的主要原因是学习不专心.君王一天学到的东西,常常要隔十天、半个月才加以温习,自然无法形成智慧.
C.孟子指出,君王对于贤者的言论不能专心听取,一心只想着别的事情,即使有幸接触正道,却不能专心致志,当然无法有智慧了.
D.孟子运用“一曝十寒”和“弈秋诲弈”两个譬喻,说明君王应专心听取正确意见,以成就大智慧.这一教导,对青年学子的求学也颇有教益.
是A
2012届上海市普陀区英语一模卷子答案
gm1h1年前1
菲跃无限 共回答了16个问题 | 采纳率93.8%
看下是不是这份~是的话采纳后发~
81.He wanted his clothes to look neat all the time
Translation
1.We should reserve airline tickets and hotel rooms before we travel.
求 2012届同心圆梦模拟一 急阿!
park81111年前2
woshiwo571 共回答了19个问题 | 采纳率84.2%
kjhgvfcdxsz鐧惧害鍦板浘
广州市2012届高三年级调研测试数学理科填空题第13题具体解答
冰心一片ccy1年前1
rjtrjt123 共回答了14个问题 | 采纳率92.9%
设A(x1,y1)B(x2,y2)
FA=2FB
抛物线第二定义,到焦点距离等于到准线距离
∴x1+2=2(x2+2)……①
抛物线方程和直线方程联立
得k^2*x^2-(4k^2+8)x+4k^2=0
韦达定理x1x2=4……②
x1+x2=4+8/k^2……③
x1.x2.k均未知,三式联立求解得k^2=8
因为k>0
所以k=2倍根号2
(2012•晋江市质检)为了了解2012届某校男生报考泉州市中考体育测试项目的意向,某校课题研究小组从毕业年段各班男生随
(2012•晋江市质检)为了了解2012届某校男生报考泉州市中考体育测试项目的意向,某校课题研究小组从毕业年段各班男生随机抽取若干人组成调查样本,根据收集整理到的数据绘制成以下不完全统计图.
项目 男生体育测试项目
A类 1000米 1分钟跳绳 立定跳远
B类 1000米 立定跳远 实心球
C类 1000米 实心球 1分钟跳绳
根据以上信息,解答下列问题:
(1)该小组采用的调查方式是______,被调查的样本容量是______;
(2)请补充完整图中的条形统计图和扇形统计图(请标上百分率)(百分率精确到1%);
(3)该校共有600名初三男生,请估计报考A类的男生人数.
睡梦中的影子1年前1
秋依梅梅子 共回答了18个问题 | 采纳率83.3%
(1)该小组采用的调查方式是:抽样调查,
被调查的样本容量是:25÷25%=100人,
故答案为:抽样调查,100;

(2)如图所示:
C类人数:100-40-25=35人,
C类所占百分比:[35/100]×100%=35%,
C类所占百分比:1-35%-25%=40%,


(3)可以估计报考A类的男生人数约为:600×40%=240(人).
山东省济宁市2012届高三上学期期末检测
山东省济宁市2012届高三上学期期末检测
[1]Can you imagine going through a whole day without telling a lie?"Yes,of course,"most people would answer,but then they've probably forgotten all these lies that are told so easily一"This is delicious.""You look lovely in that dress.""I'd love to come with you,"etc.Lies are used a lot in everyday life.[2]Generally speaking,_______________.The first type of liar wants to please people.The second type wants to protect himself or herself,and the third type lies to get what he or she wants.Lying can also be separated into three different catalogues.A.Both sides benefit[3]If someone is fishing for compliments(赞美)and you tell them what they want to hear,you probably think this a"kind"lie.However,you get something as a result ot this lie,too-affection,friendship,or peace and quiet.B.Refusing to accept responsibility[4] When you lie for self-protection,the reason is very clear.To explain your late-ness,you tell your boss the train was late,not that you overslept.You cannot be blamed for being late,because you are not responsible for any problems the train has and the con-sequences of those problems. C.The worst type of lie[5]The third sort of lie is more harmful.It is,for example,the kind of lie that peopletell in 0rder to climb up the ladder at work,without caring about the people who are trea-ted badly and unfairly.[6]What about being lied to?Can you tell when someone is telling you a lie?Obvious-1v there are some verbal clues--lots of ums and ahs--and liars often take longer to answer questions.They also speak faster but are sometimes very unclear about details.Certain types of body language can also indicate that someone is lying.Experts say that speaking through one's fingers or putting one's hands over one's face may indicate that a person is ly-ing.P1aying with on e's hair or clothes and being unable to stay still for any length of time are others.76.How does the author introduce the topic of the text?(no more than 10 words)77.Fill in the blank in Paragraph 2 with proper words.(no more than 8 words)78.Why is the third sort of lie considered the worst type?(no more than 15 words)79.List three visual signs of lying.80.What is the main idea of Paragraph 6 7(no more than 10 words)
yjzwtu1年前4
灌男高手 共回答了16个问题 | 采纳率81.3%
76.By raising questions and giving / listing sample answers.By asking and answering questions.
77.there are three types of liars.
78.Because it benefits the liar at the cost of other people’s interests.Because it benefits the liar but harms / does harm to other people.Because it harms / does harm to other people.
79.①speaking through one’s fingers ②putting one’s hands over one’s face ③playing with one’s hair or clothes ④being unable to stay still for any length of time(列举出以上任意三者即可)
80.How to tell if someone is lying
跪求2012届伯乐马英语第二次模拟答案
野樗1年前1
linux24 共回答了13个问题 | 采纳率84.6%
求答案呐求答案~~~ 物理 不一定对 供参考 B CD C A B BD BC CD A BCD D AD
湖北八校2012届高三第一次联考数学,文综,急
湖北八校2012届高三第一次联考数学,文综,急
最新的试卷及答案,有黄冈,鄂…
lindayue0071年前1
dmiismbw 共回答了21个问题 | 采纳率90.5%
我只有数学
浙江省衢州二中2012届高三下学期第一次综合练习英语试题答案
朕即小丑1年前1
吴情郎 共回答了14个问题 | 采纳率100%
  BBADC CABDC BABDA CBDAC
  DBCAB ADBCC ADBAC DBACD
  DBDCA DCBC CBADB ADBCBA EDABF
  改错:1.meet - meet 2.among - along 3.删除shade前的a 4.play前加on 5.which前面的on改为to
  6.slow - slowly 7.appear - disappear 8.or - and 9.That - It 10.watching - watch
  参考范文:
  Dear Marty,
  Thank you for writing to me.Your letter touched a warm spot in my heart.
  I’m surprised to learn there is a wide gap between rich and poor among you students.It is obviously wrong for that guy to put you to shame rudely.
  I assume some students have more money than others,but this should not affect their behavior.There’re many ways of being rich if we can enjoy lives and find peace within ourselves.Being “rich” or “poor” will prove to be temporary especially in a rapidly changing society.Material wealth vanishes more quickly than it comes.
  Try to ignore their arrogance.Do better than they can in spite of their money.Maybe you can be richer than they are in grades and behavior.Your faith in yourself and ability will be your riches and your reward will be greater than theirs.
  Try it.
  With warm regards and best wishes.
  Bo
山西省2012届九年级第四次大联考·数学最后一题答案
uu者1年前1
11335577的qq 共回答了14个问题 | 采纳率85.7%
发下题
皖南八校2012届第一次联考生物
COCOP1年前3
kq821 共回答了16个问题 | 采纳率93.8%
单选bbadcddbaccccdb 完形bdcaabbdccabacdbabdc 阅读caaddabbbaddbadbbbda 任务get/take/press,uses/usages,hang,remaining,goid/contain,amount/quantity,cost,short,powered,deal/do
不知道是不是
抄袭有风险,下笔须谨慎!
求!南京市2012届高三年级学情调研卷化学答案
傲视rr1年前1
鳄鱼眼泪 共回答了19个问题 | 采纳率73.7%
2012南京市高三年级学情调研卷(化学)及各县区(校)化学学科情况分析
免费文档,自己下,应该有用!
英语翻译本人是2012届的本科毕业生,英语水平很有限,毕业论文的摘要和关键字部分需要英文翻译,3月20日之前就要交啊.译
英语翻译
本人是2012届的本科毕业生,英语水平很有限,毕业论文的摘要和关键字部分需要英文翻译,3月20日之前就要交啊.译的好的朋友,会有重金答谢,说到做到.
ps:不要在线翻译机器上翻译的,因为这个很重要.水军们请勿打扰.本人在线等消息.
以下是内容:
【摘要】进入21世纪后,***的迅猛发展给我们日常生活中所使用的语言带来了许多变化,新词语不断产生并进入到人们的日常生活中,丰富着汉语词汇.当然,“旧词被赋予新意义”作为一种汉语词汇新义项和新用法的产生方式,作为一种快捷,简便的汉语词汇发展手段,丰富着人们的汉语语言系统.本文主要从“旧词新义”的存在形式,形成途径,变化类型以及产生原因四方面做一简要分析,以期对“旧词新义”现象有一个客观全面的了解.
qqq161年前1
长风若水 共回答了17个问题 | 采纳率82.4%
Enter after twenty-first Century, the rapid development of society to we use in our daily lives has brought about many changes in the language, new words are created and enter into people's daily life, enrich the Chinese vocabulary. Of course," old words are endowed with new meaning" as a Chinese words new meanings and new use of generating method, as a kind of fast, simple Chinese vocabulary development means, enriching people's Chinese language system. This article mainly from the" neologism" form, formation, changes in the types and causes in four aspects to make a brief analysis, with period to" neologism" phenomenon is an objective and comprehensive understanding of.
可能句子的顺序打乱了!
2012届海淀区高三第一学期期末英语试卷
狂人之王1101年前1
曹敏00 共回答了26个问题 | 采纳率88.5%
CBbaabacbaacbca
bbadcbdcbaadabd
aabcdadbdadcdbcdc
bdaaccbbadabdcc
afcbe
全国大联考2012届高三第三次联考,英语试卷答案,金太阳的
祝一生健康1年前2
xiami1943 共回答了14个问题 | 采纳率71.4%
就是单选第一道What do you…
21~35DAABC ACDBB CCDDB
36~55BBADC CABAD CBDBA
CDABC
57~70BCCCA DBCDB DDABA
71~75DAGBE
江西省2012届九年级第三次大联考化学答案
dakeaixiong1年前1
ww2lo 共回答了18个问题 | 采纳率94.4%
1-10ACBCDDCABA 11.B原子种类 12,C纯净物 单质 13,B AL2O3 14,B 都生成新物质 15,C 甲醇有毒 16,(1)2H C60 17,(1)过漉 吸附性 (2)煮沸 (3)禁止未经处理的污水排向河流 18(1)53 (2)不断的运动 (3)元素 19(1)金属 (2)87.62 20(1)3.49 (2)分解 (3)22:9 是22比9 21(1)易融于水 22(2)C 24(1)O2 MnO2 (2)相同 最后一题:配平是1212,(2)8克 只有这些了,
广州市2012届高三年级调研测试数学理科填空题第12题具体解答
半兽人的眼泪1年前2
will312 共回答了11个问题 | 采纳率100%
-1,
此时与直线2x-2y+1=0平行
画龙点睛2012届高三一轮阶段质量检测卷物理试题(四)(五)答案
画龙点睛2012届高三一轮阶段质量检测卷物理试题(四)(五)答案
一年了,都无人回答,
越窑1年前3
fgjfdgffgfg 共回答了31个问题 | 采纳率87.1%
答案中有ABCD.
安徽省2012届九年级第二次大联考(金太阳教育研究院)
杨天夏1年前1
zhenyu520 共回答了18个问题 | 采纳率83.3%
听力 CBAAC AABCA CABAB BABCB CBBAA 8:00 1.40 babies Jane drink 笔试 BBBCC BCCCC ADDAC ACDBD DBBAC BBCBD BACDA ABDAB BDCAC DCADB BBCDD ABCDD provide burnt energy easily himself
江苏省2012届苏南四市高三一模 英语答案(3月刚考)
woaisan1年前1
flywind1 共回答了12个问题 | 采纳率75%
是不是苏锡常镇的?
英语听力 CCAAB ABCBC ABBCB CBCBA
单选 CBCDB ACBDB CABAB
完形 DBCAA DBACB DDACA DADBC
阅读 BDBCD BCDCA BACDB
镇江市2012届高三第一学期期末调研测试
寒风8881年前1
forshine_1982 共回答了16个问题 | 采纳率75%
英语 单选ACDBC BCDCA ADBAA 完形BCADA CCBAD BADBC DADDB 阅读ACA ABDA CBA CBBCD 任务型 similar successful environment benefit within Monitor likely aware took rathe
南通市2012届高三第一学期期末调研 第9题 求详解
南通市2012届高三第一学期期末调研 第9题 求详解
9.如图所示,A、C和B、C是两个固定的斜面,斜面的顶端A、B在同一竖直线上.甲、乙两个小物体在同一竖直线上.甲、乙两个小物块分别从斜面AC和BC顶端由静止开始下滑,质量分别是m1、m2(m1<m2),与斜面间的动摩擦因数均为μ.若甲、乙滑至底端C的过程中克服摩擦力做的功分别是W1、W2,所需时间分别是t1、t2.则
A.Ek1>Ek2
B.v1>v2
C.W1<W2
D.t1<t2

请问如何得到
踏雪飞歌1年前0
共回答了个问题 | 采纳率
求2012届上海高三一模 青浦区金山区松江区徐汇区
灵虚怒剑1年前1
110nian 共回答了15个问题 | 采纳率80%
四份都有,放一份青浦的作为答案预览,需要的话请先采纳,
36(8分)
(1)土地交易合法化(或土地可以私有);商品经济有所发展;西周中期已经出现僭越礼制的现象(礼乐制度的破坏);反映当时的生产力水平和人们的审美观念(4分)
求乐山市高中2012届期末教学质量检测数学(文理合卷) 所有题的答案及解题过程。
tiy9928407911年前1
mayfell 共回答了18个问题 | 采纳率88.9%
如果有题,乐意解答...
2012届秋初三数学【二次根式】质量跟踪测试卷[1]第26题的答案
2012届秋初三数学【二次根式】质量跟踪测试卷[1]第26题的答案
试卷豆丁网有,有图,
雨弓哥哥1年前1
asdlaw 共回答了19个问题 | 采纳率94.7%
有图不会复杂,你要给出具体网址
(1)“根号3”
(2) (“根号3”-a)/2
a=-“根号3”
(3)(“根号3”-2,0),(“根号3”+2,0),(-“根号3”,0),(“根号3"/3,0)
山东省济南市2012届高三5月(三模)英语
missilelwq1年前1
shuiziliu99 共回答了19个问题 | 采纳率78.9%
听力第一题1.How many shirts does the man have?
A.5. B.6. C.7.
仅供核对使用!,若是,继续看!
英语参考答案
第I卷
听力部分:
1—5 CACBC 6—10 ACCAB 11—15 ACBCB 16—20 BACCA
单项选择:
21—25 ACADB 26—30 ACBDD 31—35 CCDCB
完形填空:
36—40 CADDB 41—45 BCDCA 46—50 BACDA 51—55 BCDAB
56—60 AADBC 61—65 ADCCA 66—70 AACBD 71—75 DCABC
第II卷
阅读表达:
76.Modern technology and its influence.
77.①farming with bare hands.
②living close to hunger.
③making tools from wood and stone.
78.have their danger/ have bad effects on us
79.Because our love of speed seems never ending.
80.那些我们可以聆听电台里的音乐,让思绪飞扬的时代已经远去了.
写作
One possible version:
Mr.Carter,
How I miss you and your family!Stepping into the New Year,I’m writing to express my thanks and share with you my school life and my New Year resolution.
But for your generous help,I couldn’t enjoy a wonderful school life now.I’m on good terms with the teachers and my fellow classmates here.Also,I am getting along well with my study.Actually,I’m making progress.Ever since Senior Three,I’ve been working harder.My goal is to major in physics,which I’m always fascinated with ,so I will spare no effort to be admitted into my dream university in the New Year.I want to pass your kindness on by devoting myself to the world of science.
Words seem to fail me every time I try to express my thanks to you ,and I’ll keep my promise and not let you down.Please be my guest anytime at your convenience.Wish you and your family good health and lots of happiness in the New Year!
Yours sincerely,
Li Hua
求泰州市2012届高三第一学期期末调研测试英语答案
秋_瑜1年前1
苯苯小猪 共回答了16个问题 | 采纳率87.5%
答案 单选 CDBDA CBCBC CCBCB
完形 DACCB BDABD AAAAC CCABD
阅读 CDBD CDDD DBC BCDA
任务型 effects differences winter
supports prevent reactions social
eagerly amount determines
江西省2012届九年级第三次大联考英语的答案 知道的说下
bxm_44311年前1
紫水森 共回答了20个问题 | 采纳率95%
网上公布的答案很少,建议楼主最好去老师那问问,或者几个同学一起讨论最后答案,这样能达到学以致用的目的.
云南师大附中2012届高考适应性月考卷(三)文综答案
ljy85991年前1
ll人在纽约 共回答了21个问题 | 采纳率95.2%
要月考的有什么用 我这有明年的高考试卷的 不知到 不好意思,我们刚考完 我只有英语的 答案如下: 1~10 CADBDBADBC 10~20 DDBABCCABD 20~30
2012届初中文言文读本《鲁人执竿》的答案,
8866摸怕1年前2
june800190 共回答了17个问题 | 采纳率94.1%
长竿入城译文
  鲁国有个拿着长长的竿子进入城门的人,起初竖立起来拿着它,不能进入城门,横过来拿着它,也不能进入城门,实在想不出办法来了.一会儿,有个老人来到这里说:“我并不是圣贤,只不过是见到的事情多了,为什么不用锯子将长竿从中截断后进入城门呢?”那个鲁国人于是依照老人的办法将长竿子截断了.
编辑本段字词理解
  执:握,持,拿着   俄:一会儿   遂:就,于是   计:计谋,策略,办法   而:连词,表承接,然后   以:用   但:只   之:指长竿   老父:对老年男子的尊称   初:起初   中截而入:从中间截断拿进城门去   依:依照   鲁:古代国名   圣人:非常有学问的人   执:拿着
北京市清华附中2012届高三考前适应性训练化学试题提问
北京市清华附中2012届高三考前适应性训练化学试题提问
CO2在自然界循环时可与碳酸钙反应,碳酸钙是一种难溶物质,它的Ksp=2.8×10-9。CaCl2溶液与Na2CO3溶液混合可形成CaCO3沉淀,现将等体积的CaCl2溶液与Na2CO3溶液混合,若Na2CO3溶液的浓度为2×10-4mol/L,则生成沉淀所需CaCl2溶液的最小浓度为 。
答案是5.6乘10-5
为什么不是1.4乘10-5
正确答案是怎么算出来的?
求解释
天意歪歪1年前1
张三王二 共回答了10个问题 | 采纳率90%
你没考虑溶液体积变化。
Q = c(Ca2+)·c(CO32-) > Ksp = 2.8×10^-9就可以产生沉淀。
c(Ca2+) > Ksp / c(CO32-) = 2.8×10^-9 ÷ 1×10^-4 = 2.8×10^-5 (mol/L)
生成沉淀所需Ca2+最小浓度为2.8×10^-5 mol/L ,原CaCl2溶液的浓度应为2×2.8^-5mol/L=5.6...
广东省东莞市2012届高三文科数学模拟试题(一)
广东省东莞市2012届高三文科数学模拟试题(一)
A、B、C、D四位同学分别拿着5、3、4、2个暖瓶去打开水,热水龙头只有一个.要使他们打完水所花的总时间(含排队、打水的时间)最少,他们打水的顺序应该为
A、DBCA B、ABCD C、ACBD D、任意顺序
提问:为什么不选A而要选B?
bingyuesnow1年前3
Verocam 共回答了13个问题 | 采纳率92.3%
设他们打一瓶水的时间为1分钟
最少的先打,以此类推
所以顺序是DBCA
时间是2×3×1+3×2×1+4×1×1+5×1=21分钟
2012届淮南二模理综化学选择题解析
pieinthesky1年前1
巩乃斯草原 共回答了17个问题 | 采纳率100%
此溶液中存在N03 - 和H+、镁与之作用一般不会产生氢气的,就高中阶段而言主要产生氮的氧化物,
云南师大附中2012届高考适应性月考卷(三)物理单科答案
kong_DD1年前1
dfh453 共回答了17个问题 | 采纳率82.4%
选择题B,AC,B,AB,D,AB,BC,A,ABC,AD,BC,B,C,BD
北京二中新初一2012届进行分班吗
lanse4121年前1
74846 共回答了16个问题 | 采纳率93.8%
一般来说是要的,录取通知书信封里应该有具体时间安排.
我是初三毕业生,有问题可以继续问我~
我是2012届浙大新生,选课选了33学分,是不是有点多啊?应该退哪些课?
我是2012届浙大新生,选课选了33学分,是不是有点多啊?应该退哪些课?
求指导!
草莓香蕉1年前1
漂漾叶子 共回答了18个问题 | 采纳率72.2%
33分对一般人来说是有点多 不过不少牛人更高的都有 看你自己的定位了
我觉得如果认为自己大学里还能像高中那样过苦行僧一样的生活33分是可以的,并且能得到应有的回报(比如奖学金什么的除了看成绩还要看你学的学分,还有大一虽然课多但有些课的重要性不高,早点修掉给大二大三的专业课留下更多时间)如果想兼顾学业的同时还想参加社团,做做自己喜欢的事建议退到28分左右(算上军训) 一般人一学期26分差不多了
松江区2012届初三英语第一学期期末试卷答案
lin09161年前2
htansyx 共回答了15个问题 | 采纳率86.7%
Part 2 Vocabulary and Grammar
II. 31. B 32. A 33. B 34. B 35. A 36. B 37. C 38. D 39. B 40. C
41. C 42. D 43. A 44. A 45. B 46. D 47. C 48. A 49. B 50. D
III. 51. H 52. F 53. C 54. B 55. G 56. E 57. I 58. A
IV. 59. us 60. teacher 61. easily 62. taller 63. choose 64. wooden 65. success 66. dangerous
V. 67. hasn't, yet 68. Did, send 69. How, long 70. If, don't 71. so, that 72. was, invited 73. when, would
Part 3 Reading and Writing
VI. (A) 74. C 75. C 76. B 77. D 78. D 79. A
(B) 80. C 81. A 82. D 83. C 84. B 85. A
(C) 86. carry 87. loudly 88. news 89. money 90. star 91. other 92. any
(D) 93. It means people don't work in the office but at home.
94. Her job was editing articles for a university.
95. She felt happy.
96. Yes, she did.
97. Because she wasn't going out as much as she did before.
98. Any reasonable answer is ok.
是一模卷吧
希望可以帮到你
求:常熟市2012届初三 调研测试试卷(含答案) 发 q 932098400
幽网1年前1
小鱼的生活 共回答了14个问题 | 采纳率100%
已发
煤的干馏,上海十三校2012届高三第二次联考第四题单选题
煤的干馏,上海十三校2012届高三第二次联考第四题单选题
根据下图所示把煤隔绝空气加强热,下列叙述正确的是
x05A.气体Z有还原性,可还原CuO,也可使溴水褪色
x05B.煤发生了复杂的物理变化
x05C.最后横玻璃管中固体物质消失
x05D.试管内液体X是粗氨水,Y是一种黑色黏稠状液体
答案是选A,为什么D不对
我认为AD都对啊,煤焦油怎么是淡黄色的?应该是就是黑色的吧?
hxq07319601年前1
夏雪_ 共回答了14个问题 | 采纳率100%
煤干馏过程中得到的黑褐色黏稠产物,按焦化温度不同所得焦油可分为高温焦油、中温焦油和低温焦油. 脱色前是黑色,脱色后是金黄色
煤焦油中存在着硫氰化合物因他的气味对人们的正常生活及健康状态带来了极大的危害,因此必须进行脱色处理
一是利用引发氧化加速反应;二是利用试剂吸取硫氰化合物达到脱色除臭的目的;当进行了以上工艺后,颜色油黑色变为金黄色异味彻底消失.对于有条件蒸馏的用户,也可以在蒸馏的同时吸取硫氰化合物,这样即达到了脱色又除掉了异味,保证了煤焦油脱色的稳定性.
广东省东莞市2012届高三理科数学模拟题(三)的第十八题可以用传统几...
广东省东莞市2012届高三理科数学模拟题(三)的第十八题可以用传统几...
广东省东莞市2012届高三理科数学模拟题(三)的第十八题可以用传统几何来解吗?可以的话用新浪微博通知我jituanyi@sina.com
soda05261年前3
LiJingQQ 共回答了7个问题 | 采纳率85.7%
不懂就别乱说,可以,第一问我就不想说了,第二问二面角A-DE-C可以分为A-DE-B 和 B-DE-C.这个懂咯.二面角可以通过面积法来求.易证C点在面BDE的投影为B点.而cos(B-DE-C)就等于面积BDE除以面积DEC.同理在BD中点F就是A点在面BDE上的投影.至于面积怎么算可能要用余弦和正弦定理.我高考就喜欢用传统方法解题,因为用起来方便,坐标法太局限.这题如果不熟悉的话,你就用坐标法吧,因为有个现成的坐标系.