当前位置：文档库 › 上海市新世纪 7B 期中错题集

上海市新世纪 7B 期中错题集

Ⅰ. 适当形式填空

1.Space scientists are also planning_______ cities on the Mars.(built)

2.Your temperature is already 39.5°C. You _______(get) a bad cold.

3.It’s a______ trip，isn’t it? (pleasure)

4.He walked so slowly that his brother lost_______with him．(patient)

5.Take a good rest and I hope you’ll get ________ soon．(good)

6.When will the physical be held?(examine)

7.The blind man was very _____ to the students’ help when he got home. (thank)

8.Mother often says to me: “It’s just a waste of time if we buy something _____.”

(necessary)

9.He is an________boy．He enjoys sports．(energy)

10.I think hamburger and French fries are________foods．Many people call them

junk food．(health)

11.What is the next________ going to say? (speak)

12.Jane has found her wallet already. This one isn’t _________. (she )

13.I’m afraid I can’t ________ finish writing the composition tonight. (possible)

14.Let’s begin right now to protect our _________. (natural)

15.Make a plan for your future study, and you will _________ in the end.

(successful)

16.Could you name three __________ events that happened in Ming Dynasty(明朝)?

(history)

Ⅱ. 选择填空

1.I felt ______ when I won the first prize for the high jump in the sports meeting.

A. possibly

B. excitedly

C. interested

D. happy

2.I like skiing better than climbing because I think climbing is not so______ as

skiing.

A. more exciting

B. exciting

C. less exciting

D. the most exciting

3.________ changeable weather it is this year!

A. What

B. What a

C. How

D. How a

4.A: Have you bought_______ as Linda’s birthday present? B: Not exactly.

A. something special

B. anything special

C. special anything

D. special something

5.Which is _______ to our earth, the sun or the moon?

A. near

B. nearer

C. the nearest

D. more near

6.A: How long have you been in Russia?

B: I’ve been here _____ I left high school. After I’ll go back to China ____ten days.

A. after; in

B. since; after

C. since; for

D. since; in

7.He looked ______ at the pictures. They looked_______.

A. careful; beautiful

B. carefully; beautifully

C. carefully; beautiful

D. careful; beautifully

8.The little boy isn’t tall enough to_______ the apple on the desk。

A．get to B．arrive C．reach D．take

9.We visited _______many places of historical interest in Beijing _____our first

visit to China．

A．to；during B．to；on C．／；during D．／；on

10.Listen! Someone _______singing in the next room．

A．are B．was C．is D．will be

11.It’s very kind _______you．Thank you________ telling me about it．

A．for；by B. of；for C．of；to D．to；for

12.Since you are overweight，you’d better________ less junk food．

A．to eat B．eating C．eat D．ate

13.You are not good at English．Let me help you______your English.

A．with B．to C．on D. in

14.Julia left Shanghai________ the morning of October 1．

A．in B．at C．for D．on

15.—Can you teach me how to use the computer? —________________. A．With pleasure B．My pleasure C. It’s a pleasure D．For pleasure

16.The two men arrived there ______ a cold winter evening.

A) in B) on C) during D) at

17.The girl has some balloons in her hand. One is red, ______ are yellow.

A) others B) another C) the other D) the rest

18.The sister didn’t look as______as the brother after the twins got the lovely

presents.

A) happy B) angry C) sad D) funny

19.For your safety, you ______ drive your car after drinking any wines.

A) mustn’t B) needn’t C) wouldn’t D) won’t

20.My friend told me that he ______ to Hong Kong the next month.

A) will go B) would go C) goes D) went

21.Mr. Zhang didn’t have a rest ______ he finished the project with his workmates in

the company.

A) after B) while C) until D) when

https://www.wendangku.net/doc/812023036.html,ually at weekends the new supermarket is full of people. The underlined part

means ______.

A) is busy with B) is crowded with C) is famous for D) is made of

23.I’m sure my friend ______ me about the car accident if she knows the truth of it.

A) tells B) told C) will tell D) has told

24.－Do you know the meaning of this word? －No. But why not ______ in the

dictionary?

A) look it for B) look it up C) look it at D) look it out

25.______ you are to have a chance to work in the west part of China！

A) What lucky B) How luckily C) What luckily D)How lucky

26.Tony told me that he ______.

A) will help me with my geography B) helps me with my geography

C) would help me with my geography D) helped me with my geography

27.I didn’t go to the potluck party last night．I stayed at home____.

A．too B．either C．instead D. instead of

28.Be careful not to cut_______. It’s a new knife.

A．you B．your C．yours D．yourself 29.A balanced diet is important________health.

A．to B．for C．on D. with

30.We sent the______ baby to the hospital.

A．sick B．sickness C. ill D. illness

31._________the temperature falling rapidly, we couldn’t go on with the experience.

A．Since B. With C. As D. For

32.This physics problem is so difficult that _________ students can work it out

without help.

A) little B) a little C) few D) a few

33.To everyone’s surprise, the boy ________ copy Zhou Libo’s voice and actions

very well.

A) can B) may C) must D) need

34.A large number of people are keen on “planting online vegetables”these days,

________?

A) don’t they B) do they C) are n’t they D) are they

35.Online games are very interesting, ________ children can’t spend too much time

on it.

A) and B) or C) so D) but

36.– ________ are you driving? You are speeding up! – About 120 kilometers an

hour.

A) How far B) How fast C) How long D) How soon

Ⅲ. Rewrite the following sentences as required（根据所给要求，改写下列句子。每空格限填一词):

1.They won’t have the school sports meeting because of the heavy rain.(划线提问)

______ ______ they have the school sports meeting？

2.Mike’s brother was too excited to fall asleep last night.(同义句)

Mike’s brother was______ excited that he _______ fall asleep last night

3.Jack keeps in touch with his friends in Australia by e-mail every week.(划线提问)

______ ______ Jack keep in touch with his friends in Australia every week?

4.Let me introduce myself to you first.(反义疑问句)

Let me introduce myself to you first, _______ _______?

5.She put up pictures on the wall．(改为否定句)

She______ ______up pictures on the wall．

6.Hurry up，or you’ll be late for the meeting．(保持句子原意不变)

_______ _______don’t hurry up，you’ll be late for the meeting．

7.I didn’t go to bed until my father came back last night．(保持句子原意不变)

I _______to bed_______my father came back last night．

8.You’d better go out when the wind blows a lot．(改为否定句)

Yon_______ better _______go out when the wind blows a lot．

9.Mark has got a stomachache．(划线提问)

_______ _______with Mark?

10.To have Music lessons would be interesting.(同义句转化)

It ________ _______ _________to have Music lessons.

11.Linda got up early so that she could get to the meeting hall on time. (改为简单句)

Linda got up early in ______ ______ get to the meeting hall on time.

12.Both of them are fond of playing table tennis. (改为否定句)

______ of them ______ fond of playing table tennis.

13.Mary runs faster than Jane. (保持句意基本不变)

Jane ______ run as ______ as Mary.

14.He has never been to Australia．(改为反意疑问句)

He has never been to Australia，________ ________?

15.They have known each other since 1999．(对划线部分提问)

________ __________have they known each other?

16.The child is very young．He can’t look after himself．(合并句子)

The child isn't ________ ________to look after himself．

17.The reporter wrote the article on the morning of April 10th. (改为被动语态)

The article _________ _________ by the reporter on the morning of April 10th.

18.I won’t go to Kitty’s birthday party if she doesn’t invite me.（保持句意基本不变）

I won’t go to Kitty’s birthday party _________ she _________ me.

人教版小学三年级上册数学易错题集(共111题)

三年级（上）数学易错题集(共111题) 1. 一个正方形游泳池走一圈要走120分米，这个游泳池的边长是（）米。 2. 把两个边长3厘米的正方形拼成一个长方形，所拼长方形的周长是（）厘米。 ①②③④⑤⑥⑦⑧⑨ 上面图形中，（）是四边形，其中（）是平行四边形。 4. 长方形的（）相等。 A.四条边； B.四个角； C.邻边 5. 5个同样大小的小正方形拼成一个大长方形，周长减少了24厘米，小正方形的边长是（）厘米。（画图） 6. 24×30＝940-58＝359+471＝ 229+385＝52×9≈498×5≈550×8≈7. 在方格纸上按要求画图形（每个小方格的边长是1厘米）（1）画一个边长2厘米的正方形。（2）画一个周长是10厘米的长方形。

8. 长方形（）边相等，正方形（）边相等。 9. 一根铁丝长8米，把它绕成正方形后，正方形边长为（），如果把它绕成长方形，那么此长方形的长与宽的和为（）。 10. 三个边长都是1厘米的小正方形拼成大长方形后，周长是（）厘米。 11. 王伯伯想用篱笆围一个长6米，宽4米的长方形菜园，一面靠墙，需要篱笆的长度是（）米或（）米。 12. 判断：长方形对角也相等（） 13. 选择：一个长方形的周长是18厘米，长和宽不可能是（） A.10厘米和8厘米； B.5厘米和4厘米； C.6厘米和3厘米； D.7厘米和2厘米 14. 用4个边长是1厘米的正方形拼成大长方形，周长是( )厘米。 A.8； B.8或10； C.10 15. 以下每一小格是边长1厘米的小正方形。 (1)已知图形的周长为( ) (2)画出与已知图形周长相等的一个正方形和一个长方形。

(易错题精选)初中英语语法知识—并列连词的全集汇编(1)

一、选择题 1．My sister _______ I are tidy, _______my brother isn’t. A．and; but B．and; and C．but; but D．but;and 2．I think English is difficult __________ interesting. I like it. A．but B．or C．so D．and 3．Don't came in ____________ you are called. A．after B．until C．since 4．---What do you think of geography? ---It is very difficult useful. A．and B．or C．but 5．The football match tonight is exciting, ______don't forget to do your homework, children. A．however B．but C．so D．or 6．Rules (规则) are helpful to us, ________ we have to follow (遵守) them. A．because B．but C．if D．so 7．He ________ like baseball. ________ he likes football. A．don’t, but B．doesn’t, and C．doesn’t, but D．/, and 8．I quite like noodles_________ my cousin doesn't. A．or B．so C．and D．but 9．My grandfather is 85 years old. he's in excellent condition. A．Or B．And C．As D．So 10．I don’t like running, I like swimming. A．and B．but C．with D．so 11．-Are these hats yours,Lisa? -No,the white one is mine, the black one is my sister’s. A．and B．or C．but D．so 12．I like music, _______ my cousin Laura doesn’t. A．and B．but C．because 13．These are my parents, _______ this is my brother, Bob. A．so B．but C．and D．or 14．I have only two tickets, so _____ you _____ your sister can go with me tonight. A．both, and B．neither, nor C．either, or D．not only, but also 15．It is very cold today, __________everyone puts on the winter school uniform. A．because B．but C．so D．or 16．A break between classes is a good time for students to play sports and talk with their classmates, so it __________helps with students' health,___________ improves their social skills. A．either; or B．neither; nor C．not only; but also D．not; but 17．_________ John ____________ Frank passed the examination. They felt very upset. A．Either; or B．Not only; but also C．Neither; nor

高中数学易错题举例解析

高中数学易错题举例解析高中数学中有许多题目，求解的思路不难，但解题时，对某些特殊情形的讨论，却很容易被忽略。也就是在转化过程中，没有注意转化的等价性，会经常出现错误。本文通过几个例子，剖析致错原因，希望能对同学们的学习有所帮助。加强思维的严密性训练。 ● 忽视等价性变形，导致错误。 ??? x >0 y >0 ? ??? x + y >0 xy >0 ，但 ??? x >1 y >2 与 ??? x + y >3 xy >2 不等价。【例1】已知f(x) = a x + x b ，若,6)2(3,0)1(3≤≤≤≤-f f 求)3(f 的范围。错误解法由条件得?? ? ??≤+≤≤+≤-62230 3b a b a ②① ②×2－① 156≤≤a ③ ①×2－②得 32 338-≤≤- b ④ ③+④得 .3 43 )3(310,34333310≤≤≤+≤f b a 即错误分析采用这种解法，忽视了这样一个事实：作为满足条件的函数b x ax x f + =)(，其值是同时受b a 和制约的。当a 取最大（小）值时，b 不一定取最大（小）值，因而整个解题思路是错误的。正确解法由题意有?? ? ??+=+=22)2()1(b a f b a f , 解得： )],2()1(2[3 2 )],1()2(2[31f f b f f a -=-= ).1(9 5 )2(91633)3(f f b a f -=+=∴ 把)1(f 和)2(f 的范围代入得 .3 37)3(316≤≤f 在本题中能够检查出解题思路错误，并给出正确解法，就体现了思维具有反思性。只有牢固地掌握基础知识，才能反思性地看问题。 ●忽视隐含条件，导致结果错误。【例2】 (1) 设βα、是方程0622 =++-k kx x 的两个实根，则2 2 )1()1(-+-βα的最小值是

【小学数学】五年级数学易错题合集 (1)

【易错题1】13（x-5）=156 【错因分析】这类方程非常典型；常见错误形式有13x-5=156、13x-18=156、 13x-5x=156 【思路点拨】这类题型部分同学计算第一步时会运用乘法分配律来计算；但经常由于分配的方法不正确从而导致错误。同学们在解此类方程时不妨紧扣等式的基本性质。等式两边同时除以13；得出x-5=12；从而快速正确地得到方程的解。【易错题2】(1)2.5x+4.5=14.5 (2)3.5x+x=10.5 【错因分析】第（1）题部分同学会做成7x=14.5；第（2）题部分同学会做成3.6x=10.5同类项合并出错。【思路点拨】第（1）题不能进行同类项合并有的同学却合并了；第（2）题需要进行同类项合并；有的同学却没有合并。解决此类题目同学们需要注意观察与比较数据的特点；并加强同类项的合并与非同类项计算的相应练习；这样就熟能生巧；不宜犯错啦。【易错题3】如图所示（1) 【错因分析】这两题比较容易混淆。因为72cm的位置不同；解题方法就不一样了。【思路点拨】同学们首先要仔细观察线段图；明确图意；找对72cm所对应的线段。明确第一幅的72cm表示4段的长度；第二幅的72cm表示5段一共的长度。这样就不容易搞混犯错啦！【易错题4】在一次数学测试中；五(1)班的平均分是95分。如果把高于平均分的部分记为正数；低于平均分的部分记为负数；那么乐乐得了98分；应记作( )分；聪聪得了90分；应记作( )分。【错因分析】学生没有仔细理解前面条件陈述的内容；看到“得了”两字就像抓到救命稻草一样立即填上+98和+90了。【思路点拨】仔细读题看清条件；“五(1)班的平均分是95分。如果把高于平均分的部分记为正数；低于平均分的部分记为负数”；所以本题正确结果是98-95=3（分）；乐乐得了98分；应记作(+3 )分；95-90=5（分）；聪聪得了90分；应记作(-5 )分。

(易错题精选)初中英语语法知识—副词的单元汇编含答案

一、选择题 1．Suzy felt _________ when she studied __________ in London. A．alone; lonely B．alone; alone C．lonely; lonely D．lonely; alone 2．Of the three boys over there, John sings English songs ________. A．more beautiful B．the most beautiful C．more beautifully D．the most beautifully 3．Food is important for our health. So we must keep our food ________ and cook it________. A．clean; proper B．cleanly; proper C．clean; properly D．cleanly; properly 4．My grandpa stays________in a (an) ________house, but he doesn't feel________. A．alone; alone; lonely B．lonely; lonely; alone C．alone; lonely; alone D．alone; lonely; lonely 5．Helen was so excited at the news that she could ________ say a word. A．ever B．almost C．hardly 6．—Every student likes Ms. Wang very much. —Yes. She________makes her lessons interesting. A．never B．always C．Sometime 7．If you don’t work ________enough, I don’t think your dream will come ________. A．hardly;truly B．hard;true C．hardly;true 8．—Mom,let's have a rest.I can't walk on. —You get tired __________.You need more exercise. A．easily B．slowly C．freely D．quietly 9．—Would you like a glass of cola? —Thanks. But I ______ drink cola. I can’t stand its taste. A．usually B．never C．often D．always 10．We’ll meet kinds of difficulties in our lives in the future.We should learn to be ________any challenge! A．confident enough to take on B．active enough to take up C．enough careful to take up D．enough patient to take on 11．Tom’s mother is our Maths teacher. She teaches ________ very ________. A．his; good B．us; good C．us; well D．her; well 12．—Do you often go shopping with your mom, Mike? —You know, most boys ________ go shopping, but I do. A．sometimes B．usually C．hardly 13．-How careful Jim is! - He writes ____ in our class. A．more careful B．most carefully C．most careful D．more carefully 14．—As we know, it’s difficult to live in the foreign country. —______ if you don’t understand the local language.

高考数学易错题集锦6

高中数学易错、易混、易忘题分类汇编 "会而不对，对而不全"一直以来成为制约学生数学成绩提高的重要因素，成为学生挥之不去的痛，如何解决这个问题对决定学生的高考成败起着至关重要的作用。本文结合笔者的多年高三教学经验精心挑选学生在考试中常见的66个易错、易混、易忘典型题目，这些问题也是高考中的热点和重点，做到力避偏、怪、难，进行精彩剖析并配以近几年的高考试题作为相应练习，一方面让你明确这样的问题在高考中确实存在，另一方面通过作针对性练习帮你识破命题者精心设计的陷阱，以达到授人以渔的目的，助你在高考中乘风破浪，实现自已的理想报负。【易错点1】忽视空集是任何非空集合的子集导致思维不全面。例1、设，，若，求实数a组成的集合的子集有多少个？【易错点分析】此题由条件易知，由于空集是任何非空集合的子集，但在解题中极易忽略这种特殊情况而造成求解满足条件的a值产生漏解现象。解析：集合A化简得，由知故（Ⅰ）当时，即方程无解，此时a=0符合已知条件（Ⅱ）当时，即方程的解为3或5，代入得或。综上满足条件的a组成的集合为，故其子集共有个。【知识点归类点拔】（1）在应用条件A∪B＝ＢA∩B＝ＡＡＢ时，要树立起分类讨论的数学思想，将集合Ａ是空集Φ的情况优先进行讨论．（2）在解答集合问题时，要注意集合的性质"确定性、无序性、互异性"特别是互异性对集合元素的限制。有时需要进行检验求解的结果是满足集合中元素的这个性质，此外，解题过程中要注意集合语言（数学语言）和自然语言之间的转化如：，，其中,若求r的取值范围。将集合所表达的数学语言向自然语言进行转化就是：集合A表示以原点为圆心以2的半径的圆，集合B表示以（3，4）为圆心，以r为半径的圆，当两圆无公共点即两圆相离或内含时，求半径r的取值范围。思维马上就可利用两圆的位置关系来解答。此外如不等式的解集等也要注意集合语言的应用。【练1】已知集合、，若，则实数a的取值范围是。答案：或。【易错点2】求解函数值域或单调区间易忽视定义域优先的原则。例2、已知,求的取值范围【易错点分析】此题学生很容易只是利用消元的思路将问题转化为关于x的函数最值求解，但极易忽略x、y满足这个条件中的两个变量的约束关系而造成定义域范围的扩大。解析：由于得(x+2)2=1- ≤1，∴-3≤x≤-1从而x2+y2=-3x2-16x-12= + 因此当x=-1时x2+y2有最小值1, 当x=- 时，x2+y2有最大值。故x2+y2的取值范围是[1, ] 【知识点归类点拔】事实上我们可以从解析几何的角度来理解条件对x、y的限制，显然方程表示以（-2，0）为中心的椭圆，则易知-3≤x≤-1，。此外本题还可通过三角换元转化为三角最值求解。【练2】（05高考重庆卷）若动点（x,y）在曲线上变化，则的最大值为（）（A）（B）（C）（D）答案：A 【易错点3】求解函数的反函数易漏掉确定原函数的值域即反函数的定义域。例3、是R上的奇函数，（1）求a的值（2）求的反函数【易错点分析】求解已知函数的反函数时，易忽略求解反函数的定义域即原函数的值域而出错。解析：（1）利用（或）求得a=1. （2）由即，设,则由于故，，而所以【知识点归类点拔】（1）在求解函数的反函数时，一定要通过确定原函数的值域即反函数的定义域在反函数的解析式后表明（若反函数的定义域为R可省略）。（2）应用可省略求反函数的步骤，直接利用原函数求解但应注意其自变量和函数值要互换。【练3】（2004全国理）函数的反函数是（） A、B、 C、D、答案：B

人教版小学五年级下册数学易错题集

五年级下册易错题集一、填空 1．把5米长的绳子平均剪成4段，每段长（）米，每段是全长的（） 2．把3kg 水果平均分给4个小朋友，每个小朋友分得这3kg 水果的（），每个小朋友分到（）kg 3．王师傅8分钟制作了5个零件，他每分钟能制作（）个零件，制作一个零件要（）分钟 4．5米长的绳子剪去15 米，还剩下（）米 5米长的绳子剪去它的15 ，还剩下（）米 5． 68 的分子加上9，分母加（）分数的大小才不会变 6．能同时被2、3整除的最小三位数是（）能同时被3、5整除的最小三位数是（）能同时被2、3、5整除的最小三位数是（）能同时被2、3整除的最大二位数是（）能同时被3、5整除的最大二位数是（）能同时被2、3、5整除的最大二位数是（） 100以内最大的质数是（） 50以内最大的质数是（） 7．20以内所有质数的和是（） 20以内所有合数的和是（） 20以内所有奇数的和是（） 20以内所有偶数的和是（） 8．一个三位数，个位是最小的合数，十位是最小的质数，百位是最小的奇数，这个三位数是（） 9．一筐苹果，2个一拿，3个一拿，4个一拿，5个一拿都会剩下一个，这筐苹果至少有（）个 10．一个数既是6的倍数，又是48的因数，这个数可能是（）

11．20以内既是奇数，又是合数的数有（） 12．分母是8的所有最简真分数的和是（）分母是8的所有真分数的和是（） 13．一个正方体的棱长总和是60cm ，它的表面积是（）体积是（） 14．用四个不同的数字组成一个能同时被2、3、5整除的最大四位数是（） 15．把一个涂色的大立方体，割成8个小立方体，3面涂色的有（）块把一个涂色的大立方体，割成27个小立方体，3面涂色的有（）块 2面涂色的有（）块，1面涂色的有（）块，0面涂色的有（）块 16．A=2×2×3×5×7 B=2×3×7 A 和 B 的最大公因数是（） A 和 B 的最小公倍数是（） 17．一个分数的分子扩大3倍，分母缩小2倍，分数值（）一个分数的分子缩小3倍，分母扩大2倍，分数值（）一个分数的分子扩大3倍，分母扩大3倍，分数值（） 18．正方体的棱长扩大a 倍,它的棱长总和扩大( )倍,表面积扩大( )倍,体积扩大 ( )倍正方体的棱长扩大3倍,它的棱长总和扩大( )倍,表面积扩大( )倍,体积扩大 ( )倍 19.分母是9的最简真分数有( )个,它们的和是( ) 分母是9的真分数有( )个,它们的和是( ) 分子是9的假分数有( )个 20.36的因数有( )个 21.全班有学生44人,女生有24个,女生占全班的( ),男生占全班的( )男生是女生的( ),如果把男女生分成人数相等的小组,能分( )个组,每组最多( )个 22．58 米是（）米的18 ，还可以是（）米的（）（） 23．一个魔方的体积大约是30（）汽车油箱的容积大约是30（）一块橡皮的体积大约是8（）一步的长度大约是6（） 24．152分解质因数是（）

初中语法错题集

一、选择填空 1.The poor man hasn’t enough ____ to buy ____ . A. money , foods B. money , food C. moneys , foods D. moneies , food 2. Why don’t you make ____ and sell them to earn some money ? A. an paper flower B. some paper’s flowers C. some paper flowers D. some papers’ flowers 3. What do you prefer , ____ or _____ ? A. meat , vegetale B. meats, vegetables C. meat , vegetables D. meats , vegetable 4. If you like the chicken , you may have as _____ as you can . A. much B. many C. more D. little 5. Mr. Smith always has ___ to tell us . A. some good pieces of news B. some pieces of good news C. some good piece of news D. some piece of good news 6. The text is easy for you . There are ___ new words in it . A. a few B. a little C. few D. little 7.What would you like , sir ? _____ please . A. Two cups of coffees B. Two cup of coffee C. Two coffees D. Two cups of coffee 8. This pencil box was sent by ____ . A. my aunt student B. my aunt student’s C. a student of my aunt’s D. a student of my aunt 9. Mum said she wanted to go to Africa by air , but I wonder if she has enough money to pay for the ____ . A. voyage B. tourism C. journey D. trip 10. This set of bowls and plates are made of ____ . A. much glass B. glasses C. some glasses D. glass 11. A sports meeting will be held next week . Could you give us ____ ? A. any advice B. some advice C. an advice D. certain advices 12. The bady grows too fast . Now he is about two ____ high . A. foots B. foot’s C. feet D. feets 13. A Japanese friend sent me five ___ yesterday . A. knifes B. knives C. knife D. knifese 14. May 12th is ____ . A. Nurse Day B. Nurses Day C. Nurse’s Day D. Nurses’ Day 15. I’ve just been to ____ . I’ve got ny hair cut . A. the barber B . the barber’s C. the barbers D. barber’s 16. There are eleven kinds of ___ in the pool . A. fish B. fishing C. fishes D. fishs 二、名词复数 Knife 一________ country 一__________ watch 一________ hero 一_______ tooth 一______ Roof 一________ day 一__________ safe 一________ goose一_______ child 一______ Tomato 一______ leaf 一___________ box 一________ half 一_______ potato 一_______ Wife 一_______ radio 一___________ ox 一________ fish 一_______ piano 一_______ Japanese 一_______ German 一________ sheep 一________ glass 一_______ deer 一_______ City 一________ zoo 一___________ way 一________ mouth 一_______ death 一_______ Mouse 一_______ life 一___________ Negro 一________ America 一_______ roof 一_______ 三、翻译男医生__________ 运动会____________ 女教师______________房子的窗户___________女孩的裙子____________ 十分钟的步行路程_____________两条建议_____________五种鱼_____________ 理发店_________________

初中数学易错题型大全共20页文档

初中数学易错题一、选择题 1、A、B是数轴上原点两旁的点，则它们表示的两个有理数是（） A、互为相反数 B、绝对值相等 C、是符号不同的数 D、都是负数 2、有理数a、b在数轴上的位置如图所示，则化简|a-b|-|a+b|的结果是（） A、2a B、2b b C、2a-2b D、2a+b 3、轮船顺流航行时m千米/小时，逆流航行时(m-6)千米/小时，则水流速度（） A、2千米/小时 B、3千米/小时 C、6千米/小时 D、不能确定 4、方程2x+3y=20的正整数解有（） A、1个 B、3个 C、4个 D、无数个 5、下列说法错误的是（） A、两点确定一条直线 B、线段是直线的一部分 C、一条直线不是平角 D、把线段向两边延长即是直线 6、函数y=(m2-1)x2-(3m-1)x+2的图象与x轴的交点情况是 ( ) A、当m≠3时，有一个交点 B、1 m时，有两个交点 ≠ ± C、当1 m时，有一个交点 D、不论m为何值，均无交点 = ± 7、如果两圆的半径分别为R和r（R>r），圆心距为d，且(d-r)2=R2，则

两圆的位置关系是（） A 、内切 B 、外切 C 、内切或外切 D 、不能确定 8、在数轴上表示有理数a 、b 、c 的小点分别是A 、B 、C 且b