错题练习一
牛津译林版八年级英语上册 Unit 1 错题复习练习卷(含答案)
牛津译林版八年级英语上册8Aunit1 错题卷一Name No一、根据中文提示、英语译义或句意写单词(30)1. —How long can I keep the (杂志)?—You can keep them for two weeks.2. The little girl has no (观念) of time.3. Walk along the (笔直的) road till you see a hotel.4. I must find out who (碰撞) off the glasses.5. Lisa (微笑) because she was pleased to see us.6. It’s true that bosses all like (勤劳的) workers.7. Doudou is one of the best teenager s in China. I like her voice.8. The play wasn’t interesting at all. We all felt b .9. I like her bright and s eyes very much.10. —What an (very good) doctor he is! —I agree with you.11. He has a round face, but his brother’s face is (a shape with four same sides).12. Daniel is very ________ (be willing to give freely) and he often shares things with his friends.13. His son is . He never tells lies.14. (2013 烟台) Could you tell me the ________(高度) of Qomolangma?15. (2013 连云港) You look _______(更苗条的) and more fashionable in so charming a dress.二、用所给词的适当形式填空(10)1. (江苏徐州) The actress is in her forties. I thought she was much (young)!2. (山东莱芜) I think one of the (easy) ways to make you strong is to exercise more.3. (.江苏宿迁) People feel (happy) when they face too much stress.4. (.贵州安顺) —How are you today? —I’m feeling much (bad) than yesterday.5. To tell the _______ (true), I’ve been tired recently.6. Maybe the ___________ (weigh) of the dog is only ten kilos.7. Liu Ping wants to be a (society) worker.8. John is so __________ (honest) that no one believes him.9. ---Look! He is shouting at his mother.---Why is he so ___________ (polite)?10. Do you know the famous (swim) name?三、单项选择(45)1. (山东德州) —Would you like some cakes.Allen?—Yes, please. And I also want some water. I’m so !A. lazyB. hungryC. sleepyD. thirty2. (.江西抚州) —You look so young, Madam! How old are you?—Aha! It’s a .A. suggestionB. reasonC. secretD. problem3. (.湖北咸宁) —What do you think of her teaching English?—Great! No one teaches in our school.A. goodB. worseC. betterD. best4. (贵州黔西南) The bread smells and it sells .A. well; goodB. good; goodC. good; wellD. well; well5. (新疆阜康) Of the two sisters, Lucy is one, and she is also the one who loves to bequiet.A. a youngerB. a youngestC. the youngerD. the youngest6. —I’m sure my sister will be able to find the museum.—She has a pretty good of direction.A. senseB. feelingC. ideaD. experience7. Millie often helps jack and English.A. me studyingB. I studyC. me to studyD. I to study8. My shoes are too old. I’m going to buy ________________.A. a new oneB. another oneC. a new pairD. any one9. —your teacher ? —He is friendly and helpful.A. How is; likeB. What is; likeC. How does; likeD. What does; like10. —Mum, could you buy me a dress like this?—Certainly, we can buy ______one than this, but ____this.A. a better; not as good asB. the better; as good asC. a cheaper ,as good asD. the cheaper ,not as good as11. Several years ago, very people knew Yao Ming. But now he is well-known all over the world.A. fewB. fewerC. moreD. most12. —Whose home is _________ away from school in our class? —Liu Mei’s.A. farB. fartherC. the farthestD. near13. —does your cat weigh? —About 5 kilograms.A. WhatB. How muchC. How manyD. How14. Be care not to knock anything the bookshelf when you walk it.A. off; pastB. down; acrossC. over; passD. from; past15. It made me quite _____when I thought of my dear sick dog.A. worryB. worry aboutC. worriedD. worrying四、句型转换(25)1. This story is more interesting than that one.(同义句)That story is __________ ___________ than this one.That story this one.2. Peter is the tallest student in his class. (同义句)Peter is student in his class.Peter is students in his class.3. His round glasses make him look smart. (同义句)He in his round glasses.4. He doesn’t do his homework so carefully as I.I do my homework ________ ________ than he.5. Chen Chao runs fastest in his class. (同义句)Chen Chao runs _______ than all his _________.6.My best friend looks handsome and smart. (对划线部分提问)______ does your best friend ______ _______?7. The boy beside the tree is my twin brother. (对划线部分提问)is your twin brother?牛津译林版八年级英语上册8Aunit1 错题卷一Name No一、根据中文提示、英语译义或句意写单词(30)1.magazines 2. sense 3. straight 4. knock 5. smiled 6.hard-working 7. singers 8. boring 9. smiling 10. great 11. square 12. generous 13.honest14.height 15. slimmer二、用所给词的适当形式填空(10)1. younger 2. easiest 3. unhappy 4. worse 5.truth 6. weight7.social 8dishonest 9. impolite 10.swimmer`s三、单项选择(45)1-5DCCCC6-10ACBBC11-15ACBAC四、句型转换(25)1.less interesting is the most interesting 2.taller than any other /is taller than other 3. looks smart 4. less carefully 5.faster classmates6.What look like 7. Which boy8Aunit1 错题卷二Name No一、根据提示写单词(20)1. It is a s between Lucy and me, so I will not tell others for ever.2. Wei Fang did very well in the last singing c of Grade Eight.3. How many m are you going to borrow from the library this time?4. The young man can finish running 100 meters in 14 s .5. Miss Wang’s v sounds great. Many people think she will become a singer.6. Some t don’t like to talk with their parents, but I am different from them. I love to talk with my parents.7. You’ll have to be p with Granny because she can’t hear well.8. He is and often tells us funny jokes.9. Wang Lei is about 1.90 metres in ________ and he is a member of our school basketball team.10.There are a 100 people in the school library. They are reading newspapers, magazines or books.二、用所给词的适当形式填空(20)1. I would like (go) fishing with my father.2. The teachers often tell us (not spend) too much time watching TV.3. What he said made the girl (cry) sadly.4. Do you have any problems (finish) the work?5. I’m sure my sister (make) a good nurse.6. It’s very important for us ____________ (keep) a secret between good friends.7. When something ___________ (worry) you, you can go to May for help.8. I’d ___________ (choose) Betty as my best friend.9. ---What ___________ (make) your friend so happy just now?---He read a funny story in the magazine.10. The uniform __________ (fit) her perfectly last year, but it is too large for her.三、单项选择(30)1. Mr. Wei is _______ honest person and he will be back to school in half _______ hour.A. a; anB. a; aC. an; aD. an; an2. To our ________, the great writer Mo Yan will come to our city next week.A. joyB. hopeC. workD. wishes3. There are too many things on the desk. You should not knock them ________ the floor.A. onB. ontoC. inD. into4. ---Why do many people like making friends with Uncle Wang?---Because Uncle Wang is so helpful and generous ___________.A. for othersB. to othersC. of the othersD. for the others5. ---Why don’t you wear your new shoes today, Wang Lei?---My feet ___________ in the new shoes. They are too small.A. doesn’t fitB. aren’t fitC. don’t fitD. can’t put6. ---What do you think about Wang Hong’s study at school?---Wang Hong is _________ better at her lessons than her brother Wang Wei.A. veryB. muchC. moreD. quite7. ---Beijing is bigger than __________ in Japan, isn’t it?---Yes. Beijing is one of the biggest cities all over the world.A. any cityB. any other cityC. the other cityD. the other cities8. ---How much did you know about China before you came to study two years ago?---China is one of __________ in the world and it has developed very fast.A. the oldest countryB. much older countryC. the oldest countriesD. oldest countries9. The weather in Guangdong is hotter than _________ in Qinghai.A. itB. thoseC. oneD. that10. ---We’re doing a lot to protect our environment, but it is not good enough.---So we should try __________ to look after it.A. hardB. harderC. hardestD. hardly11. ---Which girl is your cousin, jack?--- one of the two is. She is called Betty.A. The tallB. The tallestC. The tallerD. A taller12. Beijing is becoming __________ and _________.A. more beautiful; moreB. beautiful; beautifulC. more; more beautifulD. more beautiful; more beautiful13. She played the piano __________ than we had thought.A. successfulB. successfullyC. more successfulD. more successfully14. She sang a song I believe I can fly in Yangzhou English Classics Reading Contest. I have never heard a _________ voice than that before.A. goodB. wellC. betterD. best15. This schoolbag is not expensive. And the price of it is the __________ of the three.A. lowestB. biggestC. highestD. smallest四、语法练习(30)1. This film is bad. That one is even ___________ (bad).2. ---Which do you think is ___________ (exciting), skiing, skating or swimming?---Skiing, of course.3. The Three-D film Titanic is the ___________ (wonderful) film I have ever seen.4. We’d like to recommend Jill for this year’s ___________ (helpful) Student Award.5. In the exam, the ___________ (careful) you are, the ___________ (few) mi stakes you’ll make.6. The short one is ____________ (expensive) of the two.7. Today is a fine day. It is __________ (fine) day in this week.8. Mr. Wang is like a bee. He is one of __________ (busy) teachers in our school.9. David writes _____________ (care) than Melissa.10. It’s getting __________ and __________ (warm) when spring comes.11. The __________ (much) you practice, the __________ (health) you will be.12. These apples will get much ___________ (red) in autumn.13. It’s the world’s second __________ (long) river.14. It is very __________ to learn German well, but a lot ________ to learn Russian, while Chinese is _________ language in the world. (difficult)15. The scientists are getting ready for the __________ (far) study on the project.8Aunit1 错题卷二Name No一、根据提示写单词(20)1.secret 2. competition 3. magazines 4. seconds 5. voice 6. teenagers7.polite 8 fun 9. height 10.about二、用所给词的适当形式填空(20)1.to go 2.not to spend 3. cry 4. finishing 5. will make 6. to keep7.worries 8. choose 9. made 10. fit三、单项选择(30)1-5DABBC 6-10BACDB 11-15CCDCA四、语法练习(30)1.worse 2. the most exciting 3. most wonderful 4.helpful 5.more careful fewer 6. more expensive 7. the finest 8. busiest 9. more carefully 10.warmer warmer 11.more healthier 12.redder 13,longest 14.difficult more difficult the most difficult 15.further。
错题练习 - 副本
错题练习一、单选题(共20题;共40分)1.We'll _________ move to new apartments very soon!A. canB. couldC. be ableD. be able to2.In five years, Sally ______ a basketball player.A. wasB. isC. will beD. will3.How _______ milk and how _________ hamburgers do you need?A. much; muchB. much; manyC. many; manyD. many; much4.Please give me two ________.A. pieces of paperB. pieces of papersC. pieces paperD. piece papers5.There ________ a football game between Italy and Germany tomorrow morning.A. hadB. is going to beC. will haveD. has been6.There a football match on TV this evening.A. will haveB. is going to beC. hasD. is going to have7.My brother is going _________ to be a doctor.A. study medicineB. to study medicinesC. to study medicineD. studying medicine8.We are sure ________ the football match.A. winB. to winC. winningD. wins9.—How many birds can you see in the trees?—I can see __________ birds in them.A. hundreds ofB. five hundredsC. hundred ofD. five hundreds of10.I hope we'll study ________ home ________ computers in the future.A. in; withB. at; onC. at; withD. in; on11.— Would you like some milk?— Yes, just _______.A. a fewB. fewC. a littleD. little12.If it rains tomorrow, we ________ stay at home.A. is going toB. are going toC. willD. will be13.I don't like this pen. Please show me ________ one.A. otherB. the otherC. anotherD. the another14.— I think math is more useful than P. E.— I don't _________ you. They are both useful.A. get on withB. catch up withC. talk withD. agree with15.—How soon will he come back?—__________.A. After three daysB. In a weekC. On FridayD. Next month16.The farmer likes ______ vegetables in his garden, and they all ______ well.A. growing; grow upB. to grow; grow upC. growing; growD. to grow; grows17.Why did the child ________ crying last night?A. came onB. come onC. keep onD. kept on18.There is going ________ a science show this weekend.A. to beB. to haveC. to holdD. to see19.We should play a part in ________ the party.A. organizeB. organizingC. organizationD. organized20.This coat doesn't fit him well, as he has __________ a huge body and the coat is __________ small.A. so; suchB. so; soC. such; suchD. such; so二、填空题(共4题;共33分)用所给动词的适当的形式填空21. (1)—Is your home far from here? —Yes, it’s a little________ than yours. (2)—Do you know Zhao Wei?—Sure. She is the most popular ________ .(3)Last week’s talents show was a great ________(4)The movie ________ for three hours yesterday.(5)He lives in the ________ part of America.22.(1)You’d better ________(grow) some flowers behind the house.(2) Mike ________ (clean) the classroom now.(3) Isabelle always ________ (do) her homework in the evening.(4) I ________ (be) very busy yesterday.(5) Today ________ (be) Sunday.(6) Hi, Tara. Where ________ you ________ (go)?(7) The students________ (be) busy now. They ________ (have) an exam next week.(8)Pedro’s parents ________(not be) at home last night.(9) Loretta ________ (be) ill last week. She________ (be) much better now.(10)Let me ________ (carry) the box for you.three minutes.________ put in the ham cubes and lettuce and ________ them all up.24.①We are going to do more exercise________(keep) fit.②I am going to ________(be) a doctor when I grow up.③I’m going to practice________ (play) the guitar every day.④When did you learn ________(play) the violin?⑤—Shall we go to the movies tonight?—That________ (sound) interesting.三、语法填空(共20题;共21分)25.The old man keeps ________ (health) by eating well and exercising often.26.Mr. Green began to talk very ________ (serious) to his son.27.The Greens ________(visit) the museum next Monday.28.The result is very ________(surprise).29.We're making ________(prepare) for the physics exam.30.I want to know how ________(cook) meat.31.Could you cut the pear into two ________(half) ?32.How many ________(tomato) are there on the plate?33.Dale and Dave both like math and they dream of being________(science).34.Thanks for ________(tell) me the way to the post office.35.Put ________(they) on the sandwich, please.36.He's a ________(care) boy. He often leaves his school things at home.37.The newspaper comes out________(week). I buy it every week.38.________(one) peel some pears, then cut them up.39.There will be hundreds of________(factory) in the big city.40.The hotel was noisy. He ________(advise) us to change (换) it for another one.41.It's________(possible) for a little child to answer this difficult question.42.Don't throw (扔) dirty things into the river. They will________(pollute) the river.43.His name is James but he calls ________(he) Jim.44.We can do the work with________(little) money and ________(few) people than they can.四、选词填空(词汇运用)(共3题;共30分)(1)The dog ________ the box and I didn't find it.(2)She ________ her exam next week.(3)________, the boy told me about the thing.(4)Please cut the apple ________.(5)— Can you ________ it ________? — Certainly, I can.设计直升机world? Who knew more about the human body than most ________? There is an answer to all these questions——Leonardo da Vinci. You might ________what I said, but it is true.Leonardo was a great genius (天才). He didn't study at a(n)________. About 1,500 years ago, he lived in Italy. He had lots of ________. One of them was inventing (发明) things. One of his notebooks had drawings of a helicopter. Of course, he wasn't ________to build a helicopter with the things he had. But________said his idea worked.Leonardo wasn't just an inventor. He enjoyed painting. He was one of the greatest ________of his day. Whenhe was young, he was an excellent painter. As he ________he became more famous. Many of Leonardo's wonderful________are still with us today, for example, the smiling woman the Mona Lisa.We are going to have a party in our house this evening. It is my________birthday, and she has________my uncles and aunts and some of her________. Mother and I are________to cook most of the food for the party, and Father is getting the drinks ready. The living room looks very pretty. Balloons of all colors are hanging from the lights________we have taken the carpets away________we are going to dance there after dinner.In the dining room we have________out the best plates, glasses and tablecloths, and it looks________. We are going to have soup, fish, chicken, fruits and cheese. We are going to dance________midnight, and after that, we will have________food, because we will be hungry after all that dancing.Last year my mother________her birthday party in a restaurant,________it is more pleasant and________at home.When it is my birthday, I am going to invite my friends and have a party in the garden. I will hang colorful lights________the trees, and we will grill (烧烤)our food in the garden and dance________the grass.答案解析部分一、单选题1.【答案】D2.【答案】C3.【答案】B4.【答案】A5.【答案】B6.【答案】B7.【答案】C8.【答案】B9.【答案】A10.【答案】B11.【答案】C12.【答案】C13.【答案】C14.【答案】D15.【答案】B16.【答案】C17.【答案】C18.【答案】A19.【答案】B20.【答案】D二、填空题21.【答案】farther ;actor ;success ;lasted ;southern22.【答案】grow;is cleaning;does ;was;is;are;going ;are;are going to have ;were not;was;is ;carry23.【答案】learn;Let;First;pour;into;add;Next;for;Finally;mix24.【答案】to keep ;be;playing ;to play ;sounds三、语法填空25.【答案】healthy26.【答案】seriously27.【答案】will visit28.【答案】surprising29.【答案】preparations30.【答案】to cook31.【答案】halves32.【答案】tomatoes33.【答案】scientists34.【答案】telling35.【答案】them36.【答案】careless37.【答案】weekly38.【答案】First39.【答案】factories40.【答案】advised41.【答案】impossible42.【答案】pollute43.【答案】himself44.【答案】less;fewer四、选词填空(词汇运用)45.【答案】(1)ran away from(2)is worried about(3)In the end(4)in half(5)keep;to yourself46.【答案】painted;doctors;question;university;hobbies;able;scientists;artists;grew up;paintings47.【答案】mother's;invited;friends;asked;and;because;put;beautiful;until;more;had;but;cheaper;in;on答案解析部分一、书面表达1.【答案】Dear Tony,I'm very happy to receive your litter. Now let me tell you something about my life in ten years. I will be an artist when I grow up. I love the nature and I will draw all the beautiful things around us. I will live in Beijing in the future because the environment is better in this city. Also, my parents will live in an apartment with me. So we can enjoy all the great things together, I hope I will go somewhere else on vacation if I am free. I will show people what I see in the world with pictures.Yours,Li Hua 2.【答案】One possible versionOur lives will be different in 30 years. Scientific products will be used in daily life and they will bring us a lot of convenience. There will be a lot of robots to do the work, so people will have less work to do. And computers are much more important than they are now. We will use them to make important plans and other things. At thattime,we will use water and sunlight as the main energies. There won't be pollution any more., and then we can see the clear water, the blue sky all year round as many years ago.3.【答案】One possible version:Dear Liu MinI know your problem, i think you made two mistakes. First, you used your friend's pen without letting her know. Second, when you broke the pen, you didn't tell her about it.I think you should say sorry to her and tell her about the Whole thing. If you do, maybe she' l! be angry with you, but at least she' 11 know you' re kind and serious. Also. I think you should buy her a new pen. If you do, she'11 know that you're truly sorry.I hope my advice can help you.Yours,Linda。
四年级下册数学错题本
四年级下册数学错题本
一、错题记录
1. 题目:一个长方形的周长是48厘米,长是宽的2倍,求这个长方形的面积。
我的答案:长方形的面积为64平方厘米。
正确答案:长方形的面积为96平方厘米。
错误原因:我在计算时没有正确理解题目中的条件,将长误认为是2倍于周长的一半,而实际上应该是宽是周长的一半的一半,导致了错误。
2. 题目:一个数的5倍减去3等于这个数的8倍加上9,求这个数。
我的答案:这个数是4。
正确答案:这个数是-4。
错误原因:我在列方程解决问题时没有仔细考虑等式的变形过程,误以为是要进行加减运算的调整,导致计算结果错误。
二、解题思路回顾与总结
对于以上错题,我发现我在解决问题时犯了粗心的错误,没有认真审题,没有理解题目中的条件,也没有仔细考虑等式的变形过程。
为了避免这些错误,我需要加强自己的审题能力,认真理解题目中的条件,并仔细考虑等式的变形过程。
同时,我还需要多做练习,提高自己的计算能力和思维能力。
三、习题重做
经过对于题目的重做思考、书写具体的解决流程,我得到了正确的答案。
并且,我总结了这类题目的解题技巧和方法,以便今后更好地解决类似问题。
同时,我也意识到自己在解决问题时容易犯粗心的错误,需要加强自我监督和提高注意力。
在未来的学习和练习中,我将认真对待每一道题目,认真分析题目条件、转化算式并且多多练习以更好地掌握数学知识。
二下错题练习1
苏教版二下错题练习11.10个一是()。
10里面有()个一。
2. 10个十是()。
100里面有()个十。
3. 10个百是()。
1000里面有()个百。
1000里面有()个十.4. 10个千是()。
10000里面有()个千。
10000里面有()个十。
10000里面有()个百。
5. 1分=()秒 1时=()分2分=()秒 3时=()分60秒=()分 60分=()时6.丁丁把17粒大米接在一起,量的长大约是1分米。
170粒这样的大米接在一起的长大约是()米。
170里有()个17,就有()个1分米是()分米=()米1700粒这样的大米接在一起的长大约是()米。
1700里有()个17,就有()个1分米是()分米=()米或170里有()个170,就有()个1米是()米7. 8. 像这样,100块橡皮摞起来大约有5(),100块摞起来是100个5毫米,是()毫米=5()1000块橡皮摞起来大约有5(),1000里有()个100,就有()个5(),是()=()10000块橡皮摞起来大约有()米。
10000里有()个1000,就有()个5(),是()8. 6枚1元硬币摞起来大约高1厘米,60枚1元硬币摞起来大约高1(),60里有()个6,就有()个1厘米是()厘米=1()600枚1元硬币摞起来大约高1(),600里有()个6,就有()个1厘米是()厘米=1()6000枚1元硬币摞起来大约高()米。
6000里有()个600,就有()个1()是()9.10张纸摞起来大约是厚1毫米,100张这样的纸大约厚()厘米。
思考:100里面有()个10张,就有()个1毫米,是()毫米等于()厘米。
1000张纸大约厚()厘米是()分米。
思考:1000里面有()个100张,就有()个1厘米,是()厘米等于()分米。
10000张纸大约厚()分米米是()米。
思考:10000里面有()个1000张,就有()个1分米,是()分米等于()米。
5年1期数学错题订正练习1-学法大视野
5年1期数学错题订正练习1-学法大视野01、(P7)巧算下列各题:65.4×0.67+6.54×3.1+0.654×2 2.018×7.3+20.18×0.37-2.018 02、(P15)非洲蛙是两栖动物中的跳远高手。
一只非洲蛙连续5次能跳12.9米远,它平均每次跳()米。
03、(P15)星期天爸爸妈妈带着乐乐去游乐园,买门票共用去112.5元。
已知一张成人票与两张儿童票的票价相等,一张成人票要多少钱?04、(P17)甲乙两地相距325.8千米,乐乐乘坐汽车从甲地到乙地需要5小时,同样的距离,欢欢乘坐火车需要2.5小时。
汽车比火车每小时少行多少千米?05、(P17)明明在计算0.56除以一个数时,由于商的小数点向右多点了一位,结果是3.5。
这道题的除数是多少?06、(P19)250吨甘蔗可制出32.吨糖,平均每吨甘蔗可制糖多少吨?(保留两位小数)07、(P19)甲、乙两数的和是83.16,把乙数的小数点向右移动一位就与甲数相等。
甲、乙两数各是多少?08、(P24)甲、乙两队合修一条公路,甲队每天修189.6米,乙队每天修的是甲队的1.2倍。
两队共修了6天。
这条路全长多少米?09、(P24)果汁车间一天生产果汁684千克,分两种规格包装:大瓶果汁每瓶980克,8瓶一箱。
小瓶果汁每瓶490克,12瓶一箱。
已知大瓶果汁装了50箱,剩下的装小瓶,能装满多少箱?10、(P24)在循环小数0.ÅBĊ中,小数部分前90位上的数字和是270,这个循环小数的循环节最大时多少?最小时多少?(A、B、C为三个不同的自然数)11、(P34)用汉字母的式子表示各题的数量关系。
(1)a加上b的6倍; (2)从80里面减去a与b的积。
(3)15减去x的差除以4.12、(P34)两艘船从甲乙两站同时相向开出。
甲每小时行x千米,乙每小时比甲多行4千米,t小时后两船相遇。
五年级错题集
第一单元小数乘法【错题1】【错误做法】0.72×5=36【成因分析】部分学生对小数乘法计算不熟悉【解决对策】理解计算法则.多练习。
【正确做法】【错题2】一块正方形塑料板,边长是1.5米,它的面积各是多少?【错误做法】1.5×1.5=22.5【成因分析】面积计算小数位数错误【解决对策】复习正方形周长和面积,正确计算。
【正确做法】1.5×1.5=2.25【错题3】在地球上1千克的物体到月球上约重0.16千克。
在地球李老师的体重是65千克如果在月球上大约重多少千克?【错误做法】65×0.16=104【成因分析】部分学生题意不理解不能例式【解决对策】理解题意.正确列式。
【正确做法】65×0.16=10.4【错题4】4 1.5×105【错误做法】 1.5×105=1.5×(10+5)=1.5×10+5=15+5=20【成因分析】学生对乘法运算定律不理解不能灵活运用【解决对策】理解运算定律多练习。
【正确做法】 1.5×105=1.5×(10+5)=1.5×10+1.5×5=15+7.5=22.5【错题】【错误做法】【成因分析】不够理解计算运算顺序。
【解决对策】多练习。
【正确做法】56×1.3=72.8(千米/时)第二单元 小数除法【错题】5 0.98÷0.2 【错误做法】【成因分析】学生不能分析题目数据,不能灵活运用运算定律 【解决对策】理解题目和运算定律多练习。
【正确做法】【错题】6 84÷15 【错误做法】 84÷15=36【成因分析】整数除以整数商是小数不会【解决对策】根据小数的性质在整数后点上小数点加上0做 【正确做法】84÷15=3.6【错题7】 62.5÷25 0.81÷27【错误做法】62.5÷25=25 0.81÷27=0.3【成因分析】小数除以整数商是小数不够熟练,商的小数点漏掉 【解决对策】多练习养成良好的计算习惯【正确做法】 62.5÷25=2.5 0.81÷27=0.03【错题8】 3.9÷1.5 【错误做法】 3.9÷1.5=26【成因分析】小数除以小数计算法则学生不够熟练运用 【解决对策】理解法则正确计算 【正确做法】3.9÷1.5=2.6【错题9】 22.3÷99【错误做法】 22.3÷99=0.22525……【成因分析】用循环小数表示不够熟练循环节找不出【解决对策】多练习用循环小数表示数。
四年级数学(上册)部分知识点错题练习
四年级数学错题练习1.游泳池长45米,小明每天都要去游泳池游6个来回,小明每天游_______米。
(列式计算)2.一些苹果,如果每袋装8个,可以装24袋,如果每袋装6个,可以装_____袋。
(列式计算)3.正方形的边长是30分米,面积是_______平方米。
(列式计算)4.长方形的面积是120平方厘米,宽是6厘米,长是_______分米。
(列式计算)5.李爷爷用篱笆一面靠墙围了一个羊圈,篱笆总长是15米,羊圈的宽是4米,那么羊圈的占地面积是________平方米。
(列式计算)6.如图,大正方形被分成了三块区域,左上角的正方形面积为4,右上角的长方形面积为6,那么大正方形的面积是_________。
(列式计算)7.最大的五位数与最小的四位数的和是____________。
8.50100000=___________万。
9.省略万位后面的尾数:834927≈_________万。
10.比较大小:23×527_____53×227.11.右图中共有_______条射线。
12.右图中共有_______条线段。
13.下列说法错误的是_________。
A:长方形有两条平行线B:正方形有两组平行线C:长方形有两组垂线D:正方形有四组垂线14.右图中一共有_________组平行线。
15.右图中一共有________组互相垂直的线段。
16.比较大小:352÷70_______448÷9017.比较大小:360÷62_______480÷7818.54÷8的商是一位数,那么最大填________。
19.小莫看一本320页的小说,前4天每天看25页,剩下的每天看30页,还需要______天能看完这本书。
(列式计算)20.某市2019年一年365天内不下雨的天数是下雨的天数的4倍,那么去年一年中该市有________天是下雨天。
(画出线段图)21.甲、乙仓库共存粮240吨,乙仓库捐出去了40吨,现在甲仓库的存粮是乙仓库存粮的4倍,那么甲仓库存粮有________吨。
初一下错题综合1-数学
错题练习11、计算题:(1)(6-8k)(-8k-6) (2)(-b+c)(b-c)(两种解法)(3)(x²+y²)²(x²-y²)²(两种解法)(4)10x360²+10x240²(5)8x555²-8x355² (6)分解因式2a²-18(7)10³+11³+12³+13³+14³(8)(998²-4)(1002²-4)2、如图:将直角三角形ABC沿BC方向平移到△DEF的位置,AB=12,DH=5,平移距离为8,求阴影部分的面积。
3、如图1,将A1A2向右平移3个单位到B1B2,得到封闭图形A1A2B2B1(即阴影部分);在图2将折线A1A2A3向右平移3个单位到B1B2B3,得到封闭图形A1A2A3B3B2B1(即阴影部分),A2 B2 A3 B3图1 图2 图3(1)在图3中,请你类似地画一条有三个折点的折线,同样向右平移3个单位,从而得到一个封闭的图形,并用阴影表示。
(2)请你分别写出上述三个图形中阴影部分的面积(设长方形的场均为a,宽均为b);S1= , S2= ,S3= .(3)如图4,一块长方形的草地,长为20m,宽为10m草地上有一条弯曲的小河(小河任何地块的宽度都是2m),小河所占的面积为㎡(4)如图5,若在图4的草地上又有一条弯曲横向的小河(小河任何地块的宽度都是2m),小河所占的面积为㎡图4 图54、小明在一道题:如图1直线a,b所成的角跑到画板外面去了,你有什么办法量出这两条直线的所成角的度数;(1)请帮小明在图2的画板内画出你的测量方案图,并简要说明。
图1 图2(2)说出画法依据的定理。
5、沿图1中的虚线将大长方形平均分成四小长方形,然后图2所示的方式拼成一个正方形。
(1)图2中的阴影部分的面积为(以幂的形式表示);(2)观察图2,请你写出代数式(m+n)²,(m-n)²,mn之间的等量关系式。
三年级上学期数学错题集
三年级上学期数学错题集三年级上学期数学错题集中练习1、李⼤明是⼀位⽊⼯师傅,王强是李⼤明的徒弟,王强每天的⼯资是95元,李⼤明每天的⼯资⽐王强的2倍少10元。
问李⼤明每天的⼯资是多少元?2、在学校举⾏的运动会上,⼩刚和⼩明都参加了800⽶赛跑,⼩刚⽤了3分9秒,⼩明⽤了160秒,他们谁跑得快?3、⼩宇⽤⼀根铁丝正好围成⼀个长25厘⽶、宽17厘⽶的长⽅形,这根铁丝长多少厘⽶?如果⽤这根铁丝围成⼀个正⽅形,正⽅形的边长是多少厘⽶?4、⼀个长⽅形,长是5分⽶,宽是8厘⽶,它的周长是()厘⽶。
5、272÷4,商的最⾼位在()位,是();528÷4商的⼗位上是();最⼤的三位数除以7,商是(),余数是()。
6、⼩王开车从天津到济南,需⾏驶342千⽶,他13:30从天津出发,16:30到达济南。
平均每⼩时⾏驶多少千⽶?7、2个1/5加上2个1/5的结果是();9/10与1/10相差()。
8、⼀个长⽅形纸对折1次,得到的图形是整张纸的();如果连续对折3次,得到的图形是整张纸的()。
9、下图是⼀块长⽅形地,现将这块地划出⼀块最⼤的正⽅形种西红柿,其余的部分种空⼼菜。
问:种空⼼菜的长⽅形地的周长是多少⽶?10、要使568的商是两位数,⾥最⼩填(),最⼤填()。
11、⽤两个长18厘⽶、宽9厘⽶的长⽅形分别拼成⼀个长⽅形和⼀个正⽅形,拼成的长⽅形何正⽅形周长分别是多少厘⽶?12、5÷4.要使商的中间⼀位是0,则⽅框⾥可以填(); 5 ÷3,要使商末尾有0,两个⽅框分别可以填()和()。
13、⼀列⾼速⽕车7:50从西安开往郑州,9:50到达,⽕车平均每⼩时⾏多少千⽶?(已知西安⾄郑州有484千⽶)14、把⼀个⼤正⽅形平均分成4个⼩正⽅形,画⼀画,并求出⼀个⼩正⽅形的周长?15要多少⽶?16、时针从数字5⾛到数字6,⾛了()分钟,也就是()时。
17、⼀根铁丝刚好把它围成⼀个长6分⽶、宽4分⽶长的长⽅形,它的周长是()厘⽶;如果⽤它围成⼀个正⽅形,这个正⽅形的边长是()厘⽶。
九上数学错题练习答案
九上数学错题练习一客观题1.直线)0(<=k kx y 与双曲线xy 2-=交),(),,(2211y x B y x A ,则122183y x y x -的值为_-10_ 2.如图,已知梯形ABCO 的底边AO 在x 轴上,BC ∥AO ,AB ⊥AO ,过点C 的双曲线ky x= 交OB 于D ,且OD :DB=1:2,若△OBC 的面积等于3,则k 的值 _0.75___( 第2题 )(第4题 ) (第5题) 3.函数7y x=-图象上三点1(2,)A y -、2(1,)B y -、3(2,)C y ,则1y 、2y 、3y 的大小关系的是---2y >1y >3y4.如图,已知在直角梯形AOBC 中,AC ∥OB ,CB ⊥OB ,OB =18,BC =12,AC =9,对角线OC 、AB 交于点D ,点E 、F 、G 分别是CD 、BD 、BC 的中点,则G 、E 、D 、F 四个点中与点A 在同一反比例函数图像上的是____G____5.如图,反比例函数y =k x(x >0)的图象经过矩形OABC 对角线的交点M ,分别与AB 、BC 相交于点D 、E .若四边形ODBE 的面积为6,则k 的值为__2___ 6.已知点(1,3)在函数)0(>=x xky 的图像上。
正方形ABCD 的边BC 在x 轴上,点E 是对角线BD 的中点,函数)0(>=x xky 的图像又经过A 、E 两点,则点E 的横坐标为____6______。
7.如图,A 、B 是双曲线 y = kx (k >0) 上的点, A 、B 两点的横坐标分别是a 、2a ,线段AB 的延长线交x轴于点C ,若S △AOC =6.则k= 4 . 8.如图,43y x =与k y x =(0x >)交于点A .将43y x =向下平移个6单位后,与双曲线k y x=(0x>)交于点B ,与x 轴交于点C ,则C 点的坐标为_(4.5,0)__________;若2AO BC=,则k =12 .9.如图, y=x b +与y 轴交于A ,与y =k x在第一象限交B ,C 两点, AB ⋅AC =4,则k =10. 如图,点A (x 1,y 1)、B (x 2,y 2)都在双曲线(0)kyx x=>上,且214x x -=,122y y -=;分别过点A 、B 向x 轴、y 轴作垂线段,垂足分别为C 、D 、E 、F ,AC 与BF 相交于G 点,四边形FOCG 的面积为2,五边形AEODB 的面积为14,那么双曲线的解析式为 6 . 11.如图,已知点A 在双曲线y=6x上,且OA=4,过A 作AC ⊥x 轴于C ,OA 的垂直平分线交OC 于B .(1)则△AOC 的面积= 3 ,(2)△ABC 的周长为 72 . 12.如图,点1A 、2A 、3A 在x 轴上,且32211A A A A OA ==,分别过点1A 、2A 、3A 作y 轴的平行线,与分比例函数)0(8>=x xy 的图像分别 交于点1B 、2B 、3B ,分别过点1B 、2B 、3B 作x 轴的平行线,分别与y 轴交于点1C 、2C 、3C ,连接1OB 、2OB 、3OB ,那么图中阴影部分的面积之和为949.13.如图,半圆AB 平移到半圆CD 的位置时所扫过的面积为 6 .14.如图,射线AM ,BN 都垂直于线段AB ,点E 为AM 上一点,过点A 作BE 的垂线AC 分别交BE ,BN 于点F,C ,过点C 作AM 的垂线CD ,垂足为D ,若CD =CF ,则=ADAE 215- 。
名卷精编错题练习
名卷精编错题练习满分84分,合格67分一、单项选择题2.甲公司2021年12月15日与乙公司签订商品销售合同。
合同约定,甲公司应于2022年5月20日前将合同标的商品运抵乙公司并经验收,在商品运抵乙公司前发生毁损、价值变动等风险由甲公司承担。
甲公司该项合同中所售商品为库存 W 商品, 2021年12月25日,甲公司根据合同向乙公司开具了增值税专用发票并于当日确定了商品销售收入。
W商品于2022年5月10日发出并于5月15日运抵乙公司验收合格。
对于甲公司2021年W商品销售收入确认的恰当性判断,除考虑收入确认条件的符合性以外,还应考虑可能违背的会计基本假设是 [单选题] *A.会计主体B.货币计量C.会计分期(正确答案)D.持续经营4.某企业期初资产总额为750万元,本期发生下列经济业务:(1)融资租人设备一台,以55万元人账;(2)申请并取得一张银行汇票,面值30万元;(3)企业发出材料一批,价值10万元,用于委托外单位加工本企业产品。
发生上述业务后,该企业的资产总额为 [单选题] *A.750万元B.805万元(正确答案)C.835万元D.845万元5.2022年10月20日,某企业出纳员填制一张金额为105870元的转账支票,用于支付企业货款,下列对该支票正面填写,不正确的是 [单选题] *A.正联“出票日期”:贰零贰贰年零壹拾月零贰拾日B.正联“签章”单位财务章和法人章C.正联“用途”填写:支付企业货款D.正联“金额大写”:壹拾万零伍仟捌佰柒拾元零角零分(正确答案)6.下列关于明细账登记的说法,不正确的是 [单选题] *A.明细账的登账依据有原始凭证,汇总原始凭证和记账凭证B.明细账簿一般采用活页式账簿C.库存商品、原材料等财产物资明细账需要登记数量和单价,所以只能根据审核无误的原始凭证逐日逐笔登记(正确答案)D.横线登记式明细分类账适用于需要进行逐笔对应反映的业务,如其他应收款、应收票据、应付票据等7.下列关于错账更正的方法,正确的是 [单选题] *A.账簿登记金额错误,可以用褪色药水消除或者重新抄写账页B.账簿登记中,对错误的文字或数字可以进行涂改、挖补、刮擦C.记账凭证中金额多记的,用红字填制记账凭证并登账,冲销原多记金额(正确答案)D.记账凭证中金额少记的,用红字填制记账凭证并登账,补充少记金额13.甲、乙公司均为增值税一般纳税人。
焊接复习错题练习题1
焊接复习错题练习题1基本信息:[矩阵文本题] *1. 电会使焊工产生一定的麻电现象,这在高处作业时是很危险的,所以高处作业不准使用这种频率的振荡器进行焊接。
[单选题] *A、低频(正确答案)B、高频C、中频2. 技术安全具体不包括()。
[单选题] *A、失误—安全功能B、故障—安全功能C、以预防为主(正确答案)3. 表示金属材料伸长率的符号是()。
[单选题] *A、RB、 ZC、 A(正确答案)4. 使用空气自然冷却的焊机,海拔高度不应超过()米。
[单选题] *A、1500B、 1000(正确答案)C、 20005. 二氧化碳气体保护焊时,为了控制熔深,一般调节()。
[单选题] *A、电流大小B、燃弧时间(正确答案)C、焊丝粗细6. 灭火时应采取的措施不包括()。
[单选题] *A、防中毒B、防化学反应(正确答案)C、防倒塌7. 乙炔发生器中不得使用()。
[单选题] *A、钢配件B、银做配件(正确答案)C、铸铁配件8. 氩弧堆焊的主要危险不包括()。
[单选题] *A、有害气体B、烟尘(正确答案)C、高频电场9. 电磁场作用对人体的危害()遗传。
[单选题] *A、不会B、不一定会C、会(正确答案)10. 魏氏组织是一种过热组织,是由彼此交叉的铁素体针嵌入基体的显微组织,其交叉角度为()°。
[单选题] *A、45B、 30C、 60(正确答案)11. 退火后钢铁材料的硬度一般会()。
[单选题] *A、不变B、降低(正确答案)C、增大12. 水下切割时要慎重考虑切割位置和方向,最好先从距离水面()。
[单选题] *A、最近的部位着手,向下割(正确答案)B、最远的部位着手,向上割C、中间的部位着手,向两端割13. 采用二氧化碳和氩气混合保护气体来焊接时,其焊接工艺特征()。
[单选题] *A、接近于纯r气体保护焊,但飞溅相对较少B、接近于纯气体保护焊,但飞溅相对较少(正确答案)C、接近于纯r气体保护焊,但飞溅相对较多14. 发生自燃可能性最大的是()。
错题改正练习题
错题改正练习题1. 关于负责人的职责,以下说法错误的是:A. 负责人应将部门员工的工作调动、奖惩和考核工作进行合理的安排和组织。
B. 负责人应及时向上级领导反馈部门的工作情况和成果。
C. 负责人应对员工的工作进行有效的指导和培训,提高团队的整体素质。
D. 负责人应根据需要安排并组织有效的会议,以便部门成员之间的沟通、协作和合作。
答案: A2. 关于项目管理的概念,以下说法正确的是:A. 项目管理是指进行计划、组织、执行、控制和结束项目的过程。
B. 项目管理主要关注项目的技术和产品开发。
C. 项目管理只涉及工程类项目,不适用于其他类型的项目。
D. 项目管理的目标是实现项目的计划和目标,而不考虑时间和成本。
答案: A3. 下面哪个选项不是目标明确的特点:A. 目标具体明确B. 目标可量化衡量C. 目标与组织整体目标一致D. 目标缺乏时效性答案: D4. 战略管理是指:A. 组织根据其内部优势和外部机会进行长期决策和规划的过程。
B. 制定和实施组织长期发展方向和目标的过程。
C. 对组织内各个部门进行资源配置和协调的过程。
D. 针对组织内外环境的变化进行快速响应和调整的过程。
答案: B5. 公司内部信息的保护需要:A. 定期更新公司内部信息保护政策和制度。
B. 确定合适的信息存储和访问权限。
C. 加强员工的信息安全意识培训。
D. 所有选项都是正确的。
答案: D6. 以下哪项不属于有效的团队沟通方式:A. 通过电子邮件进行信息交流。
B. 召开定期的团队会议进行讨论和协调。
C. 进行线上群聊交流。
D. 采用口头沟通方式。
答案: A7. 以下不属于有效的研究方法的是:A. 阅读相关的书籍和资料。
B. 参加相关的培训课程和讲座。
C. 反复进行练和实践。
D. 依赖他人完成研究任务。
答案: D8. 成功的项目经理需要具备的能力包括:A. 领导能力和团队合作能力。
B. 技术专业知识和项目管理知识。
C. 沟通能力和问题解决能力。
六年级数学常见错题专项练习
六年级数学常见错题专项练习一、填空。
(每空1分,共29分) 姓名: 1、“美术组人数的57和绘画小组的人数相等”,是把( )看作单位“1”。
“九月份实际用电节约了110”,这里的110表示( )是( )的110,数量关系式是( )×110=( ). 2、六(2)班的女生人数是男生的25,那么男生人数是女生的( )( ),女生人数占全班的( )( )。
3、六年级人数的23与五年级人数的25相等,六年级人数占五年级人数的( )( )。
4、甲仓库存粮比乙仓库多14,那么乙仓库存粮比甲仓库少( )( ),乙仓库存粮与两仓库总数的比是( )。
5、已知A ×78=B ×87=C ÷89,且A 不为0,把A 、B 、C 三个数按从大到小的顺序排列起来( )。
6、一个块长方形铁皮,长40厘米,宽30厘米,从四个角上各剪去一个边长为6厘米的正方形,然后做成一个无盖的长方体盒子,这个盒子的体积是( )。
7、一个长方体玻璃缸,从里面量长40厘米,宽25厘米,缸内水深12厘米。
把一块石头浸没水中,水面升到16厘米。
石块的体积是( )。
8、一堆煤12吨,用去23,用去( )吨,还剩总数的( )( );一堆煤12吨,用去23吨,还剩( )吨。
9、把一个长10厘米,宽8厘米,高3厘米的长方体平均分成两个长方体,表面积最少增加( )平方厘米,最多增加( )平方厘米。
10、把一个正方体木块的表面全涂成红色,然后切成27个小正方体(如图),那么两面是红色的小正方体有( )个,一面是红色的小正方体有( )个。
11、已知○+○+○+○+□+□=56,○+○=□+□+□。
那么○=( ), □=( )。
12、1只猪的重量相当于3只狗的重量,1只狗的重量相当于4只猫的重量,( )只猫的重量相当于1只猪的重量。
13、甲乙两数的和是120,甲数是乙数的15,甲数是( ),乙数是( )。
14、一台拖拉机13小时耕地16公顷,1小时耕地( )公顷,耕地1公顷需要( )小时。
五年级数学上册错题集一
五年级上册错题集(一)1. 若小红向东走100米,记作—100,则小强向西走120米,记作()2.如果乌龟0处先向东爬行4格,又向西爬行7格,这时乌龟的位置应记作()米。
3.一栋大楼,地面以上有20层,地面以下有3层。
地面以上的楼层记作正数,大楼每层高3米。
(1)—2层表示什么意思?(2)坐电梯从+2层到—3层,电梯下降了多上米?4.如下图,用竹篱笆围成一个梯形养鸡场,场地的一边利用房屋的篱笆,篱笆的总长度是95米,这个养鸡场占地多少平方米?5.一块梯形菜地的上底长300米,下底长500米,高50米,这块菜地的面积是()①4公顷②2公顷③4平方米6.一位足球守门员练习折返跑,从守门位置出发,向前跑记作正数,向后跑记作负数,它的练习记录如下:(单位:米)+7 —3 +11 —8 —5 +12 —10守门员离开守门位置最远是()7.一个三位小数“四舍五入”后是8.20,这个数最小是(),最大是()8.一个小数的千分位“五入”后是5.85,这个数精确到十分位是()。
① 5.8 ②5.9 ③6.09.马小虎在读一个小数时,忘读小数点了,把这个小数读成了二十万零五十七。
如果这个小数只能读一个“零”,那么原来的小数是多少?如果可以读出两个“零”呢?10.判断题,一个减法算式中,被减数比减数多10.01,比差0.9,那么被减数是10.91.()11.填上合适的单位,故宫的面积大约是72 ()12.把497500000改写成用“万”作单位的数是(),用“亿”作单位且保留一位小数约是()13.把两根同样长的铁丝分别围成正方形和平行四边形,比较他们的面积()①正方形的大②平行四边形的大③一样大④无法比较哪个大14.计算阴影部分面积15.在自行车40米慢骑比赛中,李萍骑了2.24分钟,王媛骑了2.15分钟,陈华骑了1.95分钟,赵颖骑了2.20分钟。
四人中谁是第一名?比第四名慢多少分钟?16.丽丽给妹妹3.55元钱后,妹妹还比她少0.35元。
三年级语文错题再现(一)
聊城市外国语学校(小学部)2014—2015学年第二学期错题再现(一)命题人:许芳审阅人:李春侠日期:2015年3月7一,看拼音写词语w āny ánl ǒngzh àop ùb ùy íxi èqi ānl ǐh ǎigu ī( )( )( )( )()li áoku òji àsh ǐch óud àish īpi āny únzh ēnw ùzh ào()()()()()一、给汉字选择正确的读音,打上“√”礁盘(ji āoji ǎo )浩瀚(h ành ǎi )贮存(ch ǔzh ù)翡翠(fe ǐfe ī)增添(z ēngz ěng)似的(s ìsh ì)一缕(l ǚl ǔ)游览(l ǎnl án) 幽谷(youyou)遮挡(zheche)一簇簇(cuchu )储量(ch ǔc ǔ)曲折(q ūq ǔ)享有(xi ǎngxi āng )难以计数(sh ǔsh ù)缤纷(b īngb īn )二、选字、词填空姿资()本()势物()舞()()金千()百态()源辽阔宽阔广阔1,南沙群岛位于()的南中国海上。
2,牛羊在()的草原上嬉戏玩耍。
3,汽车在()的马路上飞奔。
三、填字成词(16分)气象()()风云()()奇峰()()()隐()现()()驾雾飘飘()()白云()()()()万()()忘返心()神()()云()雾三、写句子1,片片岛屿,留下了祖先生息繁衍的烟火。
(缩句) 。
2,鹿在嬉戏。
(扩句)。
四、课文内容再现(19分)1,我()着飞机航行在祖国的蓝天,一个()出现在我的眼前:像巨龙穿行在大地,连绵起伏,()。
东起( ),( )嘉峪关,万里长城谱写了()。
是谁( )了这人间奇迹?是我们()的祖先。
低压电工错题练习1—判断题
低压电工错题练习1—判断题您的姓名: [填空题] *_________________________________您的报名老师: [填空题] *_________________________________1. 停电作业安全措施按保安作用依据安全措施分为预见性措施和防护措施。
[单选题] *A正确(正确答案)B错误2. 自动切换电器是依靠本身参数的变化或外来讯号而自动进行工作的。
[单选题] * A正确(正确答案)B错误3. 电压表内阻越大越好。
[单选题] *A正确(正确答案)B错误4. 过载是指线路中的电流大于线路的计算电流或允许载流量。
[单选题] *A正确(正确答案)B错误5. 电气原理图中的所有元件均按未通电状态或无外力作用时的状态画出。
[单选题] *A正确(正确答案)B错误6. 当静电的放电火花能量足够大时,能引起火灾和爆炸事故,在生产过程中静电还会妨碍生产和降低产品质量等。
[单选题] *A正确(正确答案)B错误7. 分断电流能力是各类刀开关的主要技术参数之一。
[单选题] *A正确(正确答案)B错误8. II类手持电动工具比I类I具安全可靠。
[单选题] *A正确(正确答案)B错误9. 对电机各绕组的绝缘检查,如测出绝缘电阻不合格,不允许通电运行。
[单选题] *A正确(正确答案)B错误10. 使用万用表测量电阻,每换一次欧姆档都要进行欧姆调零。
A正确 [单选题] *A正确(正确答案)B错误11. 对绕线型异步电机应经常检查电刷与集电环的接触及电刷的磨损,压力,火花等情况。
[单选题] *A正确(正确答案)B错误12. 电压表在测量时,量程要大于等于被测线路电压。
[单选题] *A正确(正确答案)B错误13. 在选择导线时必须考虑线路投资,但导线截面积不能太小。
[单选题] *A正确(正确答案)B错误14. 雷电可通过其它带电体或直接对人体放电,使人的身体遭到巨大的破坏直至死亡。
三年级下册错例登记
三年级下册错例登记
以下是一个可能的三年级下册错例登记表格。
你可以根据实际情况进行调整和补充。
序号错题内容错误类型正确答案
:--: :--: :--: :--:
1 题目:小明有8个苹果,小红有5个苹果,小明比小红多多少个苹果?
计算错误 3
2 题目:小华家养了4只鸡,2只鸭,3只鹅,一共有多少只家禽?分类错误 9
3 题目:一块巧克力蛋糕的重量是200克,4块巧克力蛋糕的重量是多少?计算错误 800
4 题目:一辆小汽车每小时行驶60千米,从上午8点出发,下午1点到
达目的地,一共行驶了多少千米?时间计算错误 300
5 题目:一个长方形有4个角,如果去掉一个角,还剩下几个角?不理解题意 3或5或4。
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A.词汇:
1.September is the _______(nine) month of the year. It’s my favourite menth.
gratulations! Both of you are the ________(winner) of the match.
3.Picasso was one of the greatest ___________(art) of the twentieth century.
4.My sister is _______ (happy) because she failed the math exam.
5.Tom speaks Chinese very well,but not so ________ (fluent) as the local people.
6.I want to tell you the t_____ of the matter.
7.Jim has made d______ to make more money and travel around the world.
8.It rained heavily in the s______ part of China last week.
9.Doing more exercise will i________ your health.
10.We got up very early and c______ the early bus.
11.He looked ______ (angry) at the young and didn’t say a word.
12.The library is o_____ to the public every day. I often go to read books on weekends.
13.When the boy _____/rʌʃt/ across the finishing line,his mother cheered with an exciting look on her face.
14.Look! Mr Wang is sitting a_______ the students.
15.Jim has the ______ (little) bread of us four.
16.Jack looks_____ (angry) today. Who made ____ (he) unhappy.
17.Food s_____ is becoming more and a more serious problem in our country.
18.The climbers tried their best and reached the top of the mountain s__________ at last.
19.How long has Mr. Wang _______/tɔ:t/ us math?
20.It’s raining _______ (heavy) outside.
B.根据汉语完成句子.
1.----- Did you make progress in science and math last term?(do)
------- Yes,But I _____________________ in math as in science.但是我数学没有科学学得好。
2.奥比斯医生所需要的是足够的钱,以继续他们的志愿者工作。
(go)
All ORBIS doctors need is enough money to_____________________ their volunteer work.
3.事实上他得到了许可,每天不做作业。
(allow)
In fact, he __________________ do his homework every day.
4. 杰克那样平易近人,我们都把他看作朋友。
(get)
Jack is so easy _______________ that we have him as our friend.
5.我们外出期间,我们的狗由吉姆照顾。
(care)
When we are away, our dog __________________ by Jim.
6.他尝试过戒烟,但都失败了。
(give)
He tried __________________ several times,but failed.
7.由于恶劣的天气,学校运动会将会推迟。
(put)
The school sport meeting ________________ because of the terrible weather.
8.你的家庭作业必须在下周一前交上来.(hand)
Your homework _____________________________ before next Monday.
9.如果你不努力学习你的功课,你就会落在别人后面。
(fall).
If you don’t work hard at your subjects,you _______________________.
10.也许当我毕业时,我会考虑成为一名英语教师而不是导游。
(think)
Maybe when I leave school, I ________________________ an English teacher rather than a tour guide!。