你有江苏人民出版社 2011年的吗 有请发到我邮箱

1错2对3对4错5错

直接撕几页..那双面胶粘几页..剩下要做的就很少啦..我初中都这么混的.

是的符合了空间和割发代首

M=0,但N求不出来,是不是条件不足呢?因为6y³+N=-2,而y又是未知的,其N的值有无数个呀.

要看在什么情况下,电能可变成热能.也可变成机械能

谁来回答阿

不太好弄,还是建议自己做吧,提升下能力

请收听腾讯微博@vickie786717863 我每天都在很努力的打答案,然后造福于人类.我先发一点吧.第一部分x09数学x09国标版x09x09x09x09x09
练习一x09x09x09x09x09x09x09
第一大题x09写得数x09横着x09x09x09x09x09
7分之2x093分之5x092分之3x095分之1x091x094x091x093分之1
第二大题x09判断x09x09x09x09x09x09
×x09×x09×x09×x09×x09x09x09
第三大题x09填空x09x09x09x09x09x09
6x095分之2x0935x098x09x09x09x09
24；1x0924x09x09x09x09x09x09
100x09x09x09x09x09x09x09
19；1x091；20x09x09x09x09x09x09
第四大题x09解决问题x09x09x09x09x09x09
解；设宽为x米,则长为3x米.x09x09x09x09x09x09x09
x＋3x=400÷2x09x09x09x09x09x09x09
4x=200x09x09x09x09x09x09x09
x=50x09x09x09x09x09x09x09
50×3=150(米)x09x09x09x09x09x09x09
答：长150米,宽50米.x09x09x09x09x09x09x09
应该是对的吧,要别的的话就收听一下微博,或者加Q786717863

优化学习 暑假40天 七年级 语文 第六版 (江足宁 著) 天津科学技术出版社 课后答案
登陆课后答案网看
初中一年级（七年级）人教版八学科上下册答案锦集 课后答案

一般导学案都是老师亲自出的~
在一般的教辅书上都能找到答案的~

实在是找不到啊,这个太难了.或者你能把资料发的详细一些……

2011八年级 轻松快乐过暑假数学选择题答案
练习1 AADAC 练习2 CDAAD 练习3 CBBCD 练习4 BAABA 练习5 BDDBC 练习6 CBCDB 练习7 BCBAB 练习8 AADCB 练习9 AAACD 练习10 BCADB 练习11 DBCDD 练习12 CDACDBCB 练习13 DCCABABA 练习14 BCDBCAAB
填空题
练习1 6.X3 8.0,1,2 9.K-6
练习2 6.1 7.K

n

英语：
一：
1：honest
2：secret
3：ready
4：nothing
5：humour
6：bowls
7：magazines
8：special
9：slim
10：round
二：
1：Which boy is Peter?
2：Why his legs do not fit under the school desks?
3：Betty and I may not get to see each other often.
4：The boy called Jim wants to see you
5：Do you think climbing is as exciting as skating?
三：
1—5：EDBCA
四：
1—5：BDDBD
6—10：CCBAC
五：
1—5：BABAC
6—10：BCBDC
六：
1—5：AAAAB
练习二
一：
1：geography
2：tennis
3：point
4：health
5：elevator
二：
1：is different from
2：is more boring than
3：the tallest of
4：more subjects than
三：
like classes How many library have
四：
1—5：BDDCC
6—11：BBADAC
五：
1—5：DBABC
6—10：BDBCD
六：
1—5：BBDDC：
练习三
一：
1：tidy
2：President
3：winners
4：remember
5：tickets
二：
1：Nancy went to Suzhou by train last year .
2：She like her mother and likes her mother too.
3：Linda,don't tell anyone about the matter .
4：There are more than two hundred places of interest from Beijing.
5：It is fine ,but he don't go out and stay at home.
三：
1：teachers
2：6:00 a.m
3：6:30 a.m
4：park
5：4:00
6：80
四：
1—5：CBBDB
6—10：CCBBD
五：
1—5：DACBC
6—10：BDACB
六：
1—5：DDDBB
练习四
一：
1：litter
2：metal
3：Encourage
4：calm
5：over
6：shining
二：
1：tourists
2：peaceful
3：angerly
4：importance
5：heavier
三：
1：took
2：lasts
3：is going to be
4：hurry
5：don't will fall
四：
1：join the school trip
2：feel sick
3：make a home page
4：take a underground to go to work
五：
1：What exciting news it is!
2：for the first time
3：What did the teacher tell you not to do?
4：How often do you do a bird count a year?
5：用because连用
六：
1—4：DCBD
5—8：CABD
七：
1—5：DABBA
6—10：CCDCB
八：
1—5：CCDBA
练习五
一：
1：met
2：to make
3：travels
4：paies
5：are watching
6：will finish
7：droped
二：
1：go birdwatching
2：make space for
3：have nowhere to live
4：gives me some advice
5：at a time
三：
1：different from
2：If don't
3：made of
4：won't any more
5：without help
6：rained heavily
7：because of its colourful feathers
8：endangered birds
四：
1：Jiangsu Dafeng is an idea home for Elaphurus davidianus.
2：He will arrive at 8 this morning.
3：l think running is not as exciting as driving.
4：The weather in Kunming is warm and wet aii year round.
5：We welcome visitors from around the world to Suzhou to visit.
6：I look out of the window and saw that people being rushed to remove the snow.
五：
1：telephone return
2：was wrote
3：not to make
4：playing
5：taking
6：terribly
7：moves
8：listens
六：
1：Yes.
2：Wolves
3：Humans
4：These dogs often came near humans to steal some food.
5：The dogs helped them to hunt.They could smell and hear danger before people could. They helped keep people warm on cold nights.
练习六
一：
1—5：DACCA
6—10：CACAD
11—15：DBBAB
16—20：BCCCB
二：
CGAEB
三：
1—5：ADBAD
6—10：DCBBC
四：
1—4：BABC
1—5：BACAD
物理：
1沙粒在跳动.声音由物体振动产生.沙粒跳动很厉害.声音的响度与振幅有关.
2振动,音调,空气,信息,
3水可以传声,
4音调,响度,
5次声波,振动,
6声音的音调与振动频率有关,
7音色,空气,
8传播,人耳,声源,
9声音不能在真空中传播,
10dB,0dB,20dB,
11A.
12D
13C.
14B.
15C.
16A.
17C.
18A.,
19丁
甲:声音不能在真空中传播 乙:声音由物体振动产生 丙:音调与振幅有关,音调从低到高,两者都是,
第三题 想一想
1A,2蜜蜂发声不是由双翅振动,3蜜蜂发声由小黑点振动产生,增加声波反射从而减小声波的能量
练习二
液化,凝华,吸,熔化,高,升华,凝华,汽化,放,汽化,汽化放热,汽化,凝华,熔化,温室,热岛效应,加压,凝华放,汽化,液化,水汽化吸热,液化,液化,汽化,升华,凝华,BDBCBB,冰,52,吸热,冰不能太少,卫生球燃烧松枝复燃空气中的氧气有助燃烧,熔化吸热凝固放热,没有不同材料保温效果不同.
练习三
紫外线,热,热效应,平面镜,虚,光的直线传播,平面,虚,1 3,C B A,漫反射,反射,粗糙,4,变大,漫反射,各种,ABCBBBB,略,略,画图略 (3)65度,到平面镜距离,等大,不能,虚,物与像等大,用手电筒射向笔使影子在纸板上,红色 除红色以外的其他色光,红色,白色,除白色以外的其他色光,略
练习4、5
会聚,折射,乙,折射,虚,镜头,底片,凹,后,凸透镜,以内,倒立放大实,凸透,会聚,CAAAD,法线,光的折射,画图略,光的折射,凸透镜,三者中心不在同一直线,像距,物距,不能,能,紫,紫光折射角大,小,大,正确,物距,晶状体,视网膜,凸透镜对光线有会聚作用,靠近凸透镜,发散,折射,大气层空气密度不同,B,塑料膜相当于凸透镜对光线有会聚作用,使底片的感光调物距使底片感到不同颜色的光,
毫米,千米,分钟,地面,火车,车站,运动,静止,船,地面,船,山,20,72,30秒,11,46,3*10的八次,1.5*10的六次,快,匀速直线,相同时间比路程,相同路程比时间,运动,静止,参照物,大,动能,3000,声音不能在真空中传播,72,86.4,B,B,D,D,B,B,A,B,C,B,D,B,A,C,13,控制变量,停表,测量下落时间,自由落体,同时,是, 自由落体定律 ,V=S/T 4500M/15/60H=30000M/H=30KM/H,T=S/T=4500M/6KM/H=45MIN,运动,8M/S,慢,车速60KM/H限速40KM/H,相对于地面是运动的,相对于航天员航天员是静止的

我的空间有,加qq674685648

求人不如求己,加油!
更希望你出一份这样的答案 ,不但帮助了他人,这样做还会提高自己的学业成绩.何乐而不为?
望你三思!

（1）蓝天白云,青山绿水,“红花绿草”……大自然曾经如诗如画.
（2）机器的轰鸣,林立烟囱吐出的长长“黑龙”,机动车数量的大“幅”度增加,大量污水的任意排放,将人类无情地推入污浊的世界.
带引号的地方修改

There are many students in the playground.
There are_a_____ _lot_____ _of_____students in the playground.
My cousin is the best studentin his class.
My cousin is__a____ __top____ _student_____in his class.

真的很有道理,就想生活一样,越是艰苦的生活越能培养成好的品质,越使人坚强!
很多成功的人就是在不断的磨练中成长的

P1(1)藤萝之美,藤萝茂盛（2）突出藤萝之美和生机勃勃（3)享受藤萝之美；因为藤萝被毁而伤心
P2（1）细如蚊蝇（2）比喻,拟人
P4 (三)2.A（四）2 父亲年老体衰；父亲身躯肥胖
P7四2.D
P8练习三1.D
P92.(1)C 3.D
P16 二1.鹏程万里,风卷残云,任重道远,沧海一粟,秀外慧中,甘之如[食台],大智若愚
2.勾践,项羽,江淹,嵇康,嵇绍,刘禅,匡衡,赵高,赵括,岳飞,祖DI,诸葛亮,荆柯,景皓
P21-22 四.BBACBBBCBDCD
数学
练习一
一.1.3 2.40度 3.7,7或8,6 4.75/8或25/4 5.50,50,130 6.6
二.BABB 三.12.70度 13.6cm
练习二
一.BCCBBCABABCB
二.13.±8,-3 14.12,-0.2 15.3,3/4 16.大于,小于 17.1/2 18.12又根号5/5 19.6
三.20.3 21.根号5-根号2 22.8 23.16又根号2+24 24.能 25.三次根号250
练习三
一.DBDAA
二.6.10cm 7.90 8.30cm方
三.11(2)16又根号3 12.80,100,80,100
练习四
一.表格,图形,(2,3),4,3,2,(4,-4)
二.CCBACB
(后面待续)
英语
练习一
三.EDBCA
四.BDDBDCCBAC
五.CDABADDBCA
六.AAAABD
练习二
四.BDDCCBBADAC
五.DBABCBDBCD
六.BBDDC
(后面待续)
物理
练习一 11-19 BBCABDBA
练习二 13-18DDCACD
练习四 1-9会聚 折射 乙 成放大的像 物距 像距 凸 后 浅 水中 空气 折射 凸会聚 D A

小伙子,这么快就学会要答案 你在网上发帖也没用,自己的作业要自己写

有答案

心理见习生初学的办法:
其实很多人会有失眠，心情低落，寂寞，伤心等心理情况，都可以采用下边的方法从根本上解决问题，先调节好心理，你的精神才会好起来，才会睡一个很好的觉呢，下边就是我要说的：
1:心情不好的话,可以转移话题,或者做其他事情,就好象是听音乐,看电视,外出活动(跑步、散步、打球)等,这样可以分散自己的注意力,使不好的心情有所缓解
2:把你不开心的事告诉朋友,亲人...

语文http://wenku.baidu.com/view/e51def4cfe4733687e21aa00.html

醒醒吧孩子 找个熟人借一下 我们88页呢- - 还有其他老师给买的书 你幸福多了

第三题的答案是(1)3X 5X (2)八分之一 A分之三 第四题的答案是 解:设B车每小时行X千米. 3小时12分=3.2小时 (60+X)×3.2=345.6 X=48 答:.......

数学
1.CCBC
2.
1.5 9 6
2.5

我有

练习一
present;since;doctor;pollution;open;D;A;B;A;C;B;B;AD;B;was taught;married;swim;came;have been;have lived;was.
练习二
changes;seen;in fact; marry; southern; had fun; won't until; have been married; has kept; different from
A A D B D A B B
练习三
possible;service;althgough;attraction;present;have;since;How many;When buy;Have carried;been;hasn't;sad;去掉but;yet;next to;has been opened;any longer;how to get;It's to read;It is came;but came;have known;are fond of
练习四
CBACCB；not arrived;yet;How long;heard;Has ever been;Has changed;yet;
I have lived here since I was born.
It's pleasant to play Chinese chess with my classmates.
Although Tom was ill,he went to school.
Where is Marry? She has gone to the cinema;
Have you been to Beijing?Yes I have.
I used to play computer games,now I don't do it.
练习五
a theme park;fast food;wave to us; get married;during the summer holiday;move at high speed;feel excited; the whole day; go sight-seeing;wait for an hour; stop taking photos; have gone to Shanghai; have been to Shanghai; on the second day;
careful;carefully;helpful;helpfully;hopeful;hopefully;wonderful;wonderfully;noisy;noisily;healthy;healthily;lucky;luckily;shiny;shinily;impolite;impossible;unkind;unpleasant;cheerless;harmful;different;present;cross;lovely;present;pleasant;of course;go back;performance;sailing;development;closing;education;feeling;discussing;meaning
练习六
have seen;saw;were doing;was helping ;do; was watching; knocking; were knocking; were making; didn't stop; to read; were dancing; not to take; were clapping; was marching;
The souvenirs are so expensive that I can't buy it.
He is rich enough to travel around the world
What were you doing when he arrived?
Daniel was swimming in the lake at noon yesterday;
useless;delightful;as;frightened;Italy;happily;meaning;exciting;screamed
练习七
outside;morning;called;office;suprised;tickets;because;cinema;themselves;taken;CBCADBACBD
练习八
has been away from Shanghai for two days.
can't stop taking photos with them because they look very cute.
have been in HongKong for a week
have gone to Hongkong twice
has gone to Hongkong
been away for two days
is quite different from that in Beijing
never forget the meaningful experience
did you come back from HongKong
arrived here the day before yesterday, I have been back for two days.
练习九
information;change;enjoy;screen;soon;short;repair;is designed by;e-dog for; wasn't evening;has been for; important;used ;to go;sold;more;libraries;made;will replace;pleasure;to buy
练习十
ABBBDCDA
funny;printer;designed;looking;written;correctly;educational;knowledge;passed;
at the same time; come out;send e-mails;get a point;order a set on the Internet;coulds with different colours;play a role;have a dream;many places of interest;be sold out;search for information;a remote control; word-processing;a ten-year-old boy; play a role of; fall asleep; be used widely; double-click on the icon;What do you usually use the computer do
The computer is designed for students
Can I help you? I'd like to buy a personal computer
She will help you when necessary
练习十一
was left;is double-clicked;is produced;is put;to keep; BBBCA
练习十二
levels;character;uses;village;jump;goal;ask;knowledge;needs;designed;written;starting;has worked;is caught;are marked;typing;was broken;was lost;is made;is used;be clicked
下题 略
练习十三
searched for;wasn't found;so that can't take; was made to move; has taught for ;some photos was for;
The words he said sounded exciting;
This kind of newspaper comes out once a day.
I played a role of a English teacher in my dream.
The new educational CD-ROMs are sold out.
The CD-ROM can be used to test your English vocabulary.
reading;who;richest;about;how;have;on;take;interested;lesson;treasure;covered;set;vocabularies;producer.
练习十四
most exciting;months;donating;organization;duties;introducing;decision;was held;to organize;to come;called;
Why don't you join; chose he to be the host of the charity show; to work for the Project Hope; There is no time to wait ; at the right time; must practise more; seemed to happen so quickly; advertise on the Internet; make lots of noise; Spring Bud project
练习十五
because of the heavy rain;didn't start working; What was;How did Ricky feel in the charity show; It is fun to
注 A:because B because of
ABABABAB
BFAGD
练习十六
B 去掉a; C to; C success; C because of; A hope to
BBCBACAABC
练习十七
voluntary; international;rest; advertisement; education; kindness; operations; people; donations; collection
entrance;audience; seats;curtain;light; stage; microphone; performer; clapped; exit
cases of blindness; train the local doctors and nurses; a flying eye hospital; keep on working; be grateful to sb; perform operations; affect sixty per cent of students; have some pocket money left; be proud to dosth.; trat and cure eye problems; be able to buy the medicine; get education; raise money for charities; donate money to
练习十八
international charities; help poor people; take action to do sth.; mind others; be in hosipital; voluntary doctors; pocket money; organize events to raise money; set up UNICEF; spend money on
advertisement; operation; development; education; kindness; sickness; flying; teaching; organization; tratment;
BBADCCCBCCBCBADA
练习十九
BCADE;
charity; eye; cured; prevented; operated; operations; see; local; skills; knowledge; support
It was started on 11 September,1961
It works to save the earth and its environment
Volunteers and donations.
To stop air pollution,protect the earth forests and save all plants and animals.
In China,it works to save the panda from dying out. In South America, it works to save the Amazon Rainforest
ABCCA
练习二十
连线不太好发,省去吧
performing an operation; pocket money; operated on; medical tratment; used to; were grateful to; Is used to; a flying eye hospital; had a big lunch; cases of blindness;
too weak to; used to get; isn't used to; Did use to watch; used to be; is used; isn't cheap enough
BCDAC BCABA CCBCA
练习二十一
agreement; gladness; collection; illness; prevention; advertisement; development; decision; kindness; gentleness; sadness; sickness; education; organizagtion; improvement; usefulness; movement; happiness;
has cured illness; poor areas for medical tratment; is performing operation on ; proud have helped; you keep doing; grateful to because of donations; used to drink; Used to; have lived am used to; used to live; are used to living;
operating; attacks; patient; improving; blind;care; indeed; education; international; medical;
B be; C going; C blindness B not; A are; B drink
练习二十二
CBEADF
careless; the longest; itself; elderly; tree planting; unable; further; busier;
BBCBCCCBBD
练习二十三
join; tough; trail; aim; experience; happen; develop fund-raising
spirit; improve; excellent; violin; Februally; experience; especially; record;
singing; writing; is held ; join; to raise; has been built; to slove; was singing; called; playing;
去掉it; 去掉been; across----cross; finished---been over; because of; helping; drinks; drinking; bringing; but去掉
练习二十四
don't; will; It difficult to; more any other; How can help; will be recorded; with; For;without; on ; in; of; By; to
It's wrong to look down on poor people.
It is a good season for us to enjoy the beautiful view.
It's necessary to be careful when you cross the road.
Don't miss the chance you should help each other;
It's important for children to have support from parents
互帮互助

　　练习一
　　1.树叶 空气柱
　　2固体 振动
　　3固体能够传声
　　4响度 音调
　　5音色 频率
　　6真空不能够传声
　　7不能 间隔时间太短
　　8响度 音色 音调 响度 音色 音调 音色 音调 响度
　　9人耳 声源
　　10（1）是 是（2）乙丙 甲
　　11机械闹钟 B
　　12固体 固体传声比气体传声效果好
　　13振幅大,响度大 d 从声源处减弱噪声
　　21（1）甲（2）0.29秒
　　22（1）在传播过程中衰减较少……几百米甚至几万米
　　（2）对建筑物有很大的破坏性
　　练习二
　　1凝固 放热
　　2不能 温度超过熔点 钨
　　3能 铅熔点比锡低
　　4冰 冰融化吸热
　　5重 水蒸气液化放热
　　6融化吸热,凝固放热
　　7液化 液化 凝华
　　8沸腾汽化吸热
　　9叶 蒸发 吸热
　　10雪融化吸热
　　11水蒸气 液化
　　12气 酒精
　　13.20 温度随时间下降的越来越慢
　　22 A 去两只相同的大烧杯,分别盛有等量的酒精和水,把两杯都放在阴凉处,一段时间后观察比较两杯中液体的多少
　　23不一样,因为水蒸发吸热,包着湿布的温度较低
　　含水分较多,则减少湿布水分蒸发,两温度计示数相近
　　含水分少,则增加湿布水分蒸发,两温度计示数相差较大
　　练习三
　　1.3×10^8 声速比光速慢 声音在多种介质中传播速度不同
　　2红 红 黑
　　3紫外线 荧光 红外线 紫外线
　　4红 紫 光的色散
　　5蜡烛 虚像 不能 看不到 虚像
　　6.3 反射角=入射角
　　7.反射角=入射角
　　反射角、法线、入射角在同一平面内
　　反射角随着入射角的变化而变化
　　14 大小 不能 虚 比较物与像到平面镜距离的关系
　　练习四
　　1光透过不均匀的介质时传播速度不同
　　2虚像 折射 虚像 反射
　　3硬币 光的折射
　　4凸透镜越凸,焦距越短
　　5平面镜 改变光路 凸透镜 成倒立放大的像 f＜u＜2f
　　6一滴水相当于凸透镜u＜f
　　7物到镜头 像到镜头
　　8AC D B
　　9偏折 光从传播速度快的介质传入传播速度慢的介质时 折射角＜入射角
　　10 D A C
　　19 1连22 2连150 3连12,2
　　20 底部 凸透镜 凹透镜
　　21（1）略（2）乙（3）控制变
　　练习五
　　1地球 月
　　2运动 相对
　　3公共汽车 北
　　4 ml km/s m
　　5.20 193.2 11592 6600
　　6乙 相同路程比时间
　　7.3.10
　　8 4.5 自行车
　　9 1cm 1mm 0.0200
　　10.1cm 6.254
　　选择
　　p79AC
　　p80CACDBC
　　p83CBBB
　　p84DADD
　　p87BACBAB
　　p91BDDDB
　　p92ACD
　　p95D
　　p96BDBCDDC

好孩子 自己做啦 不然就找同学抄吧 或者网上买一本

一.
honest secrets really nothing more bowls magazines special slim round
二.
1.she will cry if her mother leave her on her own
2.why does his legs do not fit under the school desks
3.betty and i may not got to see each other often
4.thy boy is jim and he wants to see you
5.are we think climbing is as exciting as skating
三.
E D B A C
四.
D D D B D C B B A C
五.
C C B D D A B A C B
六.
A A A A B
练习二
一.
geography tennis popular health
二.
1.is different from
2.is more boring than
3.the tallest of
4.more classes than
三.
like classrooms library spend
四.
B D D C C B B A D A C
五.
D B A B C B D B C D
六.
B B D D C
练习三
一.
tie more winner remember tickets
二.
1.nance went on a trip to suzhou by train
2.i hope he can come tomorrow
3.lida,don't tell anyone about this things
4.they decided to watch tv last night 5.today is sunny but he stays at home not go out
三.
trip 6:30 food park 4 80
四.
C A A A B C C A A D
五.
fishing got arrived clean sorry singing like catch bigger enough
六.
C B C D B
练习四
一.
litter metal chocolate quiet finish sunny
二.
angers peaceful tour importance heavy
三.
took last are are hurry selling sell
四.
1.jion the school trip
2.feel sick
3.make a home page
4.by underground
五.
1.what exciting news!
2.at the very beginning
3.what did the teacher tell us not to do
4.how often do we do a bird count
5.the students got up early so they could watch birds
六.
A D D D C C B A
七.
A B A C C C B C B D
八.
B C B D A
练习五
一.
met reading travel drop are watching do finish pay
二.
go birding
make space for
have nowhere to live
give me some advice
at a time
三.
1.easier than
2.or will
3.made of
4.won't at all
5.expect help
6.was rainy
7.fly p.m
8.endangered birds
四.略
五.略
六.略
练习六
一.
D A A C C C A C A D D B A A C C B C C B
二.
C G A E D
三.
B D C A B A C B C D