简单介绍徐霞客其人其事,100字左右.

冰川的分布
现代冰川在世界各地几乎所有纬度上都有分布.地球上的冰川,大约有2900多万平方公里,覆盖着大陆11%的面积.冰川冰储水量虽然占地球总水量的2％,储藏着全球淡水量的3/4左右,但可以直接利用的很少.
我国的西部,高原雄踞,高山耸峙,孕育了许多山岳冰川,是世界上山岳冰川最发达的国家之一.据1999年最新的统计资料,我国总共有46298条冰川,总面积为59406平方公里.我国的冰川面积位于加拿大、俄罗斯和美国之后,居世界第4位.我国的冰川最西到帕米尔高原,最东到贡嘎山,最北到阿尔泰山,最南到云南丽江的玉龙雪山.
中国山岳冰川按成因分为大陆性冰川和海洋性冰川两大类.总储量约51300亿立方米.前者占冰川总面积的80%,后者主要分布在念青唐古拉山东段.按山脉统计,昆仑山、喜马拉雅山、天山和念青唐古拉山的冰川面积都超过7000平方千米,四条山脉的冰川面积共计40300平方千米,约占全国冰川总面积的70%,其余30%的冰川面积分布与喀喇昆仑山、羌塘高原、帕米尔、唐古拉山、祁连山、冈底斯山、横段山及阿尔泰山.
要知道以下这些请点击:
·冰川概述
·冰川的分布
·冰川的形成
·冰川的分类
·冰川的运动
·冰川的作用
·冰川的地貌
·冰川的消退
·冰川消退的影响
·冰川消退的原因
·冰川退缩的警示

万里长城 纳木错 珠穆朗玛峰 新疆吐鲁番盆地

Look!These are my family.There are three people in my family.This is my father.He is a worker.He is forty years old.This is my mother.She is a teacher.She is thirty-eight years old.
My father likes watching TV.My mother likes going shopping.This is me.I am a student.I like English very much.
希望我的回答能够帮到你,不懂的再问!

王羲之有一次碰到一位老奶奶,老奶奶告诉他做人不能太骄傲,他发奋苦练,成了一代书圣.

HI我,我在线回答一切问题

后羿射日成功后娶了嫦娥,王母给了他一包成仙的药,但后羿只想和嫦娥在人间长相厮守.后来因为降蒙心怀不轨,嫦娥被迫把这包药吃了,飞落到月亮上成了仙,从此两人分离.此后百姓们开始向嫦娥祈求吉祥平安.

My name’s Susan. I’m a girl. I am 14 years old. I have a happy family. There’re three people in my family---my father, my mother and I. It’s a small family. OK! Let me talk about my family to you. My father is a businessman. He is tall and handsome. He is very busy everyday, he has many meetings. He likes sports very much. He often watches football match. He’s a football fan. He often goes swimming and running and he’s good at playing football. He’s very strong.
On holidays, he usually plays basketball or climbs mountain. He is very smart. He likes popular music such as “Mice like rice” very much and he likes wearing casual wear . He likes playing with children very much. He often takes me and my brother to go out to play. He takes up traveling, playing golf, playing football…… All the children in my family like play with him. He tells many principles to me and teaches me how to be a useful people to the society. I respect him very much. Because all I own now are under his correct direction.
OK, let me talk about my mother. My mother is an officer, she’s also a doctor. She is 40 years old.. She is short. She is busy too. But she has to cook dishes for us everyday. She goes to work at eight in the morning and goes back home at five thirty. She works hard everyday. I admire her very much. In the life, she gives me much concern. When I am ill, she is very worry, I am usually very reliant to her.
I like my father and mother very much, I will work hard at study. I will give them the best life.

耶稣是被人们钉十字架的人,他的罪名是以色列的王.为的是来拯救世人的灵魂.释迦摩尼好像是一位很虔诚寻找真理的人,直到死也没有找到真理,但他寻找的精神,感到了很多人.

【较简洁的草船借箭】
周瑜十分妒忌诸葛亮的才干.一天周瑜在商议军事时提出让诸葛亮赶制10万枝箭,并说不要推却.诸葛亮说,都督委托,理应照办,并答应三天造好,立下了军令状.诸葛亮事后请鲁肃帮他借船、军士和草把子.第三天,诸葛亮请鲁肃一起去取箭.这天,大雾漫天,对面看不清人.天还不亮,诸葛亮下令开船,并让士兵擂鼓呐喊.曹操下令说,雾大,看不清虚实,不要轻易出动,只叫弓弩手朝来船射箭.太阳出来了,雾还没散.船两边都插满了箭.诸葛亮下令回师,这时曹操想追也来不及了.10万支箭“借”到了手.周瑜得知借箭的经过后长叹一声：我真不如他!

NP完全问题、霍奇猜想、庞加莱猜想、黎曼假设、杨-米尔斯理论、纳卫尔-斯托克斯方程、贝赫和斯维讷通-戴尔猜想.

你想写哪个城市呢?

题目就是说两个函数在[0,1]上的值域有交集,f（x）的值域是[0,1],你用数轴来画图,可以看出会有3种情况有交集,所以你可以分类来解；
当然,这三类总是满足：g（x）的最小值=f（x）的最小值；
g（x）的值域为[-2a+2,-3/2a+2],即是-2a+2=0,所以解得1/2

时间机器 I will invent a time machine in the as it 's been my dream in my life. Time machine allows people to travel back in time to prevent disaster to happen. It also allows people to tavel into dinstant future to find out solution for Incurable illness including cancer and aids. However, this machine may be abused by people to create chaos in our world or even completely change our history. Therfore, security features are essential for my invention. The future invention of time machine will definately bring more advantages for human being.

以下自己写的,供参考：
Dear Xiao hua,
Hope everything goes well with you.I am writing to tell you about our English Corner and invite you to join us.As is known to all,English Corner is a good palace to improve our English.Our English Corner was founded one years ago,and there are more and more English lovers join us.Every Saturday evening,we get together to learn English.We practice our spoken English,talk about the interesting things,exchange our experience in learning English ,sing English songs and so on.I’ve learnt a lot till now.I am very glad to tell you that three foreign students took part in our English Corner to help us last week.If you also want to learn English well and improve your spoken English,I suggest that you should join us as soon as possible.Looking forward to receiving your reply soon.
Yours,Carl
如有不明白的,欢迎随时提问!
我以书信的格式写的,我觉得要会比较合适.你可以根据老师的要求确定格式.

Hello everyone.Today I will introduce guitar to you.I can only play a few songs.And this is my first speech.I hope you'll like it

恒星的演变：
星际气体--原恒星---主序星---红巨星---白矮星----黑矮星（太阳的演变的历程）
星际气体--原恒星---主序星---红巨星---超新星爆发---星际物质
----中子星
----黑洞
（质量超过太阳8倍）

http://baike.baidu.com/view/18684.htm
http://tieba.baidu.com/f?kz=172684246
http://zhidao.baidu.com/question/16874478.html
选你喜欢的抄录吧

英国历史00...

月面部分或全部变暗的现象称为月食
由于地球大气对太阳光的折射,发生月食部分的月球并非全黑,而是呈弱古铜色
月食种类：月全食 月偏食
成因：日 地 月 成一直线 地球挡住了太阳光
（当地球运行到太阳和月球之间时,遮掩了太阳光,在地球的背光一侧形 成长长的阴影区.当月球进入地球阴影区的不同位置时,地球上的观测 者将看到月全食或月偏食现象.）
发生时间：农历十五 满月
由于月球公转轨道和地球公转轨道有一个5°的夹角,所以月食不是每个月都会发生
月食是从月轮东缘开始 西缘结束
回答者：LQ随风飞扬 - 见习魔法师 三级 12-28 22:40
地球挡住了太阳“射”向月球的光线,就好像你站在灯下看到大地上有自己的影子一样
回答者：281987738 - 初入江湖 三级 12-28 22:40
当月球公转进入地球的阴影里时,就是月食.
此时,太阳-地球-月球 成一条直线,地球处在中间的位置.
回答者：黑狐之尾 - 副总裁 十一级 12-29 08:57
当月亮运行到地球背着太阳的阴影区域(本影)内时,月亮被地球的阴影所遮掩,这时即发生了月食.
月食时地球处于太阳和月亮之间,因此 ,月食必定发生在望月(即满月)的位置,即农历十五、十六日 .但由于地球公转轨道面和月亮公转轨道面不在同一平面上,月亮并不是每个望月都进入地球的阴影之中,因此不可能每个望月都发生月食.
月食分月全食和月偏食两种.月全食时,月亮全部落入地球的阴影锥中,这时半个地球(夜间那一面)上的居民都可看到月全食.不过仔细观测就可发现,月全食时月亮并不是完全黑暗的,月面呈现出神秘的古铜色.这是由于地球大气把少许太阳光折射到月亮上(其中红光较多)造成的.月偏食时,月亮始终只有一部分进入地球的阴影锥中

This is my room.My room is clean.The chair is near the deask.l love sport.Look!My soccer ball is under the bed.And l have a piano,l can play it very well.
Do you like my room?

测量误差与测量不确定度的区别介绍
　　1.定义上的区别：误差表示数轴上的一个点,不确定度表示数轴上的一个区间;
　　2.评价方法上的区别：误差按系统误差与随机误差评价,不确定度按A类B类评价;
3.概念上的区别：系统误差与随机误差是理想化的概念,不确定度只是使用估计值;
4.表示方法的区别：误差不能以±的形式出现,不确定度只能以±的形式出现;
5.合成方法的区别：误差以代数相加的方法合成,不确定度以方和根的方法合成;
6.测量结果的区别：误差可以直接修正测量结果,不确定度不能修正测量结果;误差按其定义,只和真值有关,不确定度和影响测量的因素有关;
7.得到方法的区别：误差是通过测量得到的,不确定度是通过评定得到的;
8.操作方法的区别：系统误差与随机误差难于操作,不确定评定易于操作;　
　　误差与测量不确定度是相互关联的,就是说,测量误差也包含不确定度,反之,评定得到的不确定度也还是有误差.

sin3x=y/2
arcsin(y/2)=3x
x=arcsin(y/2)/3
y=arcsin(x/2)/3

特点;角似鹿,面似马,蹄似牛,尾似驴.
外形:草食性哺乳动物.雄鹿重可达250千克左右,角较长,向后指,两年脱换一次.尾巴很长.蹄子宽大,行动敏捷.毛色在夏天棕红,冬天棕灰.
习性:它们长在水中站立,跋涉,潜游,觅食,隆冬也不例外.麋鹿自然繁殖力很低,怀孕期超过9个半月,每胎一崽.雄性小鹿2岁长角分叉,6岁叉角发育完全.

My Favorite Book Harry Potter 我最喜欢的书《哈利波特》
Do you know Harry Potter?It's one of my favorite readings.The hero Harry Potter is a student in a magic school.He wears glasses and has no parents,and now he is sixteen years old.He is very brave and known to everyone,because he is the only person who will not die by devil.
When I read the book,I feel very excited and interested.So I have read it again and again,each time I have different feelings.Do you like Harry Potter?If you haven't read the book,read it now and you'll find a wonderful world.
【参考译文】
你知道《哈利波特》吗?它是我最喜爱的书籍之一.主人公哈利波特是魔法学校的学生.他戴着眼镜,没有父母,现在十六岁.他非常勇敢,并且大家都知道他,因为他是唯一不会死于魔鬼之手的人.
当我读这本书时,我很兴奋,很感兴趣.因此我读了一遍又一遍,每次都有不同的感受.你喜欢哈利波特吗?如果你还没有读这本书,现在就读它,你将会发现一个精彩的世界.

1 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 computer is near the window.I often play the piano.
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.
2
I have a small room of my own.The room is decorated with a lot of posters of teen idols.In front of the window there is a desk and a chair.I spend a lot of time in there on learning.I have a bookshelf in the corner.It's getting heavier month after month,because I like to buy books,some of them I haven't even read yet.And last but not least there is my comfortable bed in which I have spent more than one third of my lifetime.Anyway,I like my room.I prefer staying in it to going outside.
我有一间自己的小房间.这个房间被装饰了许多青春偶像的海报.窗前有一张桌子和一张椅子.我花很多在那儿学习.墙角那儿我有一个书橱.它一个月比一个月重,因为我喜欢买书,其中许多我甚至还没读过.最后要说的但却很重要的是我舒服的床,我在上面已经度过生命中超过三分之一的时间了.不管怎样,我喜欢我的房间.我宁可待在房间里也不愿出去.

这个是你的英语作文题目吧

(x+a)(x+b)=x²+nx+m 要将x²+nx+m分解为(x+a)(x+b)可以将常数m分解为a和b,如果a+b=n就可以了,所以十字相乘法有一点猜的成分,这只是比较简单的分解,像你那些题就很难了5.a²-16b²-c²+6ab+10bc...

My Class
I now study in Class 1 of Grade 8 ina middle school. There are 48
students in our class. Of all the students in our class, 20 are female
and 28 are male. The boy and the girl stu...

补充:季羡林（1911.8.2~2009.7.11）,山东临清人,字希逋,国际著名东方学大师、语言学家、文学家、国学家、佛学家、史学家、教育家和社会活动家 ,是北京大学惟一的终身教授. 生前曾撰文三辞桂冠：国学大师、学界泰斗、国宝.

I like to collect old stamps and old coins.
Old stamps are very interesting to me.When I try to learn when they were made,I am learning a lot about history.
Old coins teach me about history,too,but I am mostly interested in their value.Some of the old coins I collected worth more than 10 times of their original values.
我喜欢收集旧邮票和古钱币.
旧邮票对我来说是非常有趣的.在了解它们什么时候印的过程中我也学了很多历史.
旧硬币也教了我不少的历史,但我最感兴趣的是它们的价值.我收集的一些旧硬币现价是原价的10倍以上.

1.春望-唐肃宗至德元载（756）六月，安史叛军攻下唐都长安。七月，杜甫听到唐肃宗在灵武即位的消息，便把家小安顿在鄜州的羌村，去投奔肃宗。途中为叛军俘获，带到长安。因他官卑职微，未被囚禁。《春望》写于次年三月。 2.《闻官军收河南河北》这首诗是杜甫流落到梓州时所作。这一年杜甫52岁，由于安史之乱而漂泊到剑门之外已是第五个年头，杜甫无时不期望着能够平息叛乱，叶落归根。突然他听说官军收复了蓟北，喜极而泣，不能自抑。此诗是老杜“生平第一首快诗”。3.比较两诗背景： 相同之处都是战乱不同之处春望没有收复土地的悲伤之情 《闻官军收河南河北》是收回了土地的激动之情 满意请好评。

汉朝时儒学大师孙敬小时候读书十分刻苦,经常读到深夜,因为怕自己睡着,就把头发用绳子系在屋梁上,每当自己昏昏欲睡,头垂到一定的时候头发就会被拉得很痛,从而防止自己打瞌睡犯困.
战国时期,有一个人名叫苏秦出名的政治家.年轻时,由于学问不多不深,曾到好多地方做事, 都不受重视.回家后,家人对他也很冷淡,瞧不起他.这对他的刺激很大.所以,他下定决心,发奋读书. 他常常读书到深夜,很疲倦,常打盹,直想睡觉.于是他想出了一个方法,准备一把锥子,一打瞌睡, 就用锥子往自己的大腿上刺一下.这样,猛然间感到疼痛,使自己清醒起来,再坚持读书. 这就是苏秦"刺股"的故事

地雷战里的敌人,如果没有特定事件触发的情况下,原地站着不动,这种情况下是可以采取计算某个敌人最大移动步数……避开攻击范围的方法逼使对方向身边的地雷踩去.肖飞可以在桥南端上堵着狗,用疑兵定住,河上边的敌人就永远过不来了；突然刷出来的敌人,脚下原先埋的雷是会消失的.

荒唐时代的荒唐故事
我觉得是这样

医学上靠超声波击碎人体的的结石!
靠核裂变制成核反应堆发电!

Bella is just an average girl who transferred school from Pheonix to Forks.and be vampire finally.
Edward is a vampire who has the look of seventeen when he is almost a century old.he love bella vey much.
Charlie is Bella's father.He works as a policeman.
Jasper is Edward's brother.He pretends to be eighteen and is rather lean.His talent is to read and change ones feelings.
Alice is Jasper's soul mate.She is small in size and has short spiky hair.Her talent is to "see" into the possibilities of the future.
Rosalie is blond and very beautiful ,even when she was a human.She has no talent

基础训练上有的

She is beautiful,
and it's the best watch I have had

原数就是原来的那个数
-8.07乘10的4次方的原数是多少?
当然是-8.07

1.美国总统
George Walker Bush (born July 6,1946) is the 43rd and current President of the United States,inaugurated on January 20,2001.He was re-elected in the 2004 Presidential election.He formerly served as the 46th Governor of Texas from 1995 to 2000.A Republican,he belongs to the politically influential Bush family,being the eldest son of the 41st U.S.President,George Bush,a grandson of Prescott Bush,former U.S.Senator from Connecticut,and elder brother to Jeb Bush,Governor of Florida.
2.Horst Köhler
born 22 February 1943) is the current President of Germany.Köhler was narrowly elected by the Bundesversammlung (Federal Assembly) on May 23,2004,and was subsequently inaugurated on July 1,2004.Prior to his election,Köhler had had a distinguished career in politics and the civil service,and had most recently been head of the International Monetary Fund (IMF

Jim is a yong man who works in a library.Compared with buses,Jim prefer riding bicycles to work everyday. During his part time,reading some interesting books is his first choice.Every morning Jim'mother walks to the grocery to start the day.She sells fruits and vegetables.There is no doubt that she loves the job very munch.Jim'father is a buinessman who drives to the glass building to make a living.He is just the piller to the family,Jim'little sister takes buses to the clothing store to start everyday.As for Jim,the little sister is what he wants to protect forever.

与实体结构相区别
拱形结构将力,均匀分布在其表面上,或者说具有水平推力的结构.
类似于壳体鸡蛋壳,古代多数桥梁都采取拱形结构.
注：物体的结构可以分为
1.实体结构
2.壳体结构
3.框架结构

《酬乐天扬州初逢席上见赠》是唐代刘禹锡创作的一首七言律诗.此诗作于唐敬宗宝历二年（826年）在扬州与白居易相逢时.首联以伤感低沉的情调,回顾了诗人的贬谪生活.颔联借用典故暗示诗人被贬时间之长,表达了世态的变迁以及回归以后生疏而怅惘的心情.颈联,诗人把自己比作“沉舟”和“病树”,意思是自己虽屡遭贬低,新人辈出,却也令人欣慰,表现出他豁达的胸襟.尾联顺势点明了酬答的题意,表达了诗人重新投入生活的意愿及坚韧不拔的意志.
表现了作者对自己被贬谪遭弃置的无限心酸和愤懑不平的思想感情,也表现了诗人的坚定信念和乐观精神

树是具有木质树干及树枝的植物,可存活多年.一般将乔木称为树,主干,植株一,分枝距离地面较高,可以形成树冠.

王维,字摩诘,唐朝诗人,外号“诗佛”,以写山水诗为主.

my class
my class is like a big family.i love it very much.in the big family has my favourite teachers and my lovely classmates.the fllowing is something aboout my class.
in the class time,we all listen to the teachers carefully,after class ,we play together.sometimes the teachers will take part in our activities.in our part time ,we will do something meaningful,such as listen to the music,drawing pictures,makeing some cards and so on.after school ,we often go home together if we have the same way to go .so ,i think our class is not only a class ,but a big family.
this is my class,a big family,i love it forever.
我的班级
我的班级就像是一个大家庭,我非常喜欢它,在这个大家庭里有我最喜欢的老师,有可爱的同学们,下面是一些关于我们班的事情.
在上课时间,所有的同学都会认真听讲,下课后,我们一起玩耍,有时,我们的老师也会加入我们的活动.在我们的业余时间,我们会做一些很有意义的事,比如听音乐,画画,做卡片还有很多.放学后,我们同路的同学通常都会一起回去,所以,我认为我们的班级不仅仅是一个班级,而是一个大家庭.
这就是我的班级,一个大家庭,我永远都爱它.
请采纳

You mother and I had a romance that night. I remember there is a scar on the left lip of her pussy. She said it was the badge she won when she give birth to you, a doctor has to make that cut to free you out. The scar made her pussy so unique, we both enjoyed the following pounding and injection very much.

In information years,youth and their parents had had a deep gap.The contradiction goes without saying.But the relation do not have to change!I think if we could do it as folow,we can improve it!
1.We should conmulicate with our parents.
2.We need to say the reason to them clearly,and it is necessary and important!
3.if it is possible,we should choice a chance to request their forgive.
4.if you had done all above,then a simple smile should be given!
After these,you will solve the problem and rebuild the relation!

一、不定代词的用法
不定代词大都可以代替名词和形容词,在句中作主语、宾语、表语和定语.
1．作主语
both of them are teachers．他们两人都是教师.
2．作宾语
i know nothing about this person．我对这个人一无所知.
3．作表语
this book is too much for a child．这本书对一个小孩来说太难了.
4．作定语
there is a little water in the glass．玻璃杯里有一些水.
二、常用不定代词用法举例
1．some 一些,某些,某个
不定代词some可以代替名词和形容词,常用在肯定句中作主语、宾语、定语等.作定语时,它可以修饰可数名词（单、复数皆可）和不可数名词.例如：
some are doctors,some are nurses．有些人是医生,有些人是护士.（作主语）
2．any一些,任何
不定代词any可以代替名词和形容词,常用在否定句或疑问句中作主语、宾语、定语等.作定语时,它可以修饰可数名词（多为复数）和不可数名词.例如：
there isn’t any ink in my pen．我的钢笔没有墨水.（作定语）
 不定代词any有时也可以用在肯定句中,表示"任何的".例如：
 you may come at any time；i’ll be home the whole day．你任何时候来都行,我整天都将呆在家里 .
不定代词any也可以用作副词,做状语,表示程度.例如：
is he any better today?他今天好一点了吗?
3．all 全体,所有
不定代词all在句中可以作主语、宾语、表语、定语或同位语.它可以代表或修饰可数名词和不可数名词.代表或修饰可数名词时,指两个以上的人或物.作先行词时,引导词用that.例如：
all were present at the meeting．全都到会了.（作主语,代表可数名词）
4．both 全部,都
不定代词both指两个人或事物.和all一样,可以用作主语、宾语、定语或同位语.例如：
we invited both to come to our farm．我们邀请两个人都来我们的农畅（作宾语）
5．none 无人或无物
不定代词none的含义和all相反,和no one,not any同义,但其用法相当于名词,在句子中一般作主语或宾语.它代替不可数名词作主语时,谓语动词用单数形式；代替可数名词作主语时,谓语动词用单、复数皆可.例如：
none of the problems is ／are easy to solve．这些问题没有一个是容易解决的.（作主语,代替可数名词）
6．either 两者之中的任何一个,这个或那个.
不定代词 either 可以作主语、宾语和定语.例如：
either of them will agree to this arrangent．他们两人中会有人同意这样的安排的.（作主 语）
7．neither 两个之中一个也不是
不定代词 neither 是 either 的否定形式,可以作主语、宾语和定语.例如：
neither is interesting．两个都没有趣.（作主语）
8．each 每个,各自的
不定代词each指每一个人或事物的个别情况,甚至指这些个别情况各不相同.它在句中可以作主语、宾语、定语和同位语.例如：
she gave the children two apples each．她给了每个小孩两个苹果.（作the children的同位语.）
9every 每个,每一的,一切的
不定代词every有"全体"的意思,和all的意义相近,但只能作定语.