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初二下英语模块(三)第Ⅰ卷(共50分)一. 单项选择(25分)1. Tom’s grandfather lives in the village, but he doesn’t feel because he has many friends there.A. alone; aloneB. lonely; lonelyC. alone; lonelyD. alone; lonely2. It’s hard for scientists how large the universe is.A. understandB. understandingC. understoodD. to understand3. —You look unhappy, David. Why?—I invited my classmates to play basketball this morning, but of them came.A. nobodyB. allC. noneD. everybody4. I’ve arrived at our school, but I haven’t entered the classroom.A. already; alreadyB. yet; alreadyC. yet; yetD. already; yet5. I think he ever visited the island.A. /; hasn’tB. don’t; wasC. don’t; hasD. don’t; will6. —, Li Ming?—I’m lo oking for my pencil case.A. What do you thinkB. What are you up toC. Don’t panicD. Guess what7. There are websites on the Internet and there is a lot of useful information on the websites.A. two millionsB. millionC. millions ofD. million of8. —What are you looking up?You have found your dictionary.—No. But I one from the library.A. have borrowedB. have lentC. will borrowD. have kept9. —Sorry. I have no time tomorrow. Shall we go to the seaside another day?—Let’s m ake it next week.A. Yes, we will.B. Yes, we shall.C. No problem.D. Why?10 、Do you want to keep forests ？A safetyB safelyC safeD saftily11.Why keep him so long yesterday?A to standB standingC standsD stood12 Your words made me to make him 。
Module 3 Sports. 单元测试第一卷听力部分（20分）一、短对话理解。
（共5小题；每小题1分，满分5分）1. Where did the boy go last Sunday?A. To the library.B. To the beach.C. To the cinema.2. What sport does the boy do every day?A. Basketball.B. Football.C. Baseball.3. Which club doesn’t John want to join?A. The basketball club.B. The swimming club.C. The tennis club.4. Where is the man running?A. In the park.B. In the street.C. On the playground.5. What did Jack do last Saturday?A. He played football.B. He played basketball.C. He played baseball.二、长对话理解。
（共5小题；每小题1分，满分5分）听第一段对话，回答6、7小题。
6. Who’s listening to music?A. Andy.B. Sam.C. Lucy.7. What kind of music does Sam like?A. Country music.B. Light music.C. Pop music.听第二段对话，回答8～10小题。
8. What did they do last Saturday?A. They climbed the mountains.B. They played tennis.C. They visited the Science Museum.9. What’s wrong with the man?A. His leg hurts.B. His arm hurts.C. His foot hurts.10. What does the man think of the Science Museum?A. It’s quiet.B. It’s interesting.C. It’s boring.三、短文理解。
外研社初二上册英语m3练习题外研社初二上册英语M3的练习题通常包括词汇、语法、阅读理解和写作等部分。
以下是一些练习题的示例：词汇练习1. 根据中文意思填写英文单词。
- 我的爱好是________（绘画）。
- 他________（参加）了学校的足球队。
- 她________（擅长）数学。
2. 选择正确的英文单词填空。
- I enjoy _______ (reading/readings) books in my free time. - She is good at _______ (playing/plays) the piano.语法练习1. 用所给词的适当形式填空。
- My brother _______ (be) a student since he was six years old.- She _______ (not like) eating vegetables.2. 改错练习。
- He don’t like to play basketball. (改正错误)- They are going to play the football tomorrow. (改正错误)阅读理解阅读下面的短文，然后回答问题。
Tom is a 14-year-old boy who loves sports. He plays basketball every day after school with his friends. His favorite player is Michael Jordan, and he dreams of becoming a basketball player like him. Tom also enjoys reading books about famous athletes. His favorite book is "The Life of Michael Jordan."1. How old is Tom?2. What does Tom do after school every day?3. Who is Tom's favorite player?4. What is Tom's dream?5. What does Tom like to read about?写作练习根据下面的提示，写一篇不少于60词的短文。
外研初二上册英语m3练习题外研初二上册英语M3练习题主要围绕该模块的词汇、语法、阅读和写作等方面进行练习。
以下是一些练习题的示例：一、词汇练习1. 根据句意及首字母提示完成单词。
- I like to read books about s______. (science)- She is a very b______ person and always has a positive attitude. (brave)2. 用所给单词的正确形式填空。
- The children are very excited about the ______ (arrive) of their new teacher.- He is one of the most ______ (success) actors in the film industry.二、语法练习1. 将下列句子改为一般疑问句，并作否定回答。
- She has a lot of experience in teaching.- Does she have a lot of experience in teaching? No, she doesn’t.2. 用括号中所给词的正确形式填空。
- I ______ (not see) the film before, so I’m looking forward to watching it.- They ______ (go) to the concert last night.三、阅读理解阅读下面的短文，然后回答问题。
Once upon a time, there was a young boy named Tom. He loved to explore new places. One day, he found a mysterious map in his grandfather's attic. The map showed the way to a hidden treasure. Tom decided to go on an adventure to find the treasure.1. What did Tom find in his grandfather's attic?- A mysterious map.2. What did the map show?- The way to a hidden treasure.3. What did Tom decide to do?- Go on an adventure to find the treasure.四、写作练习根据以下提示，写一篇不少于80字的短文。
14-15 学年外研八年级上学期Module3 试题（广西）Class: Name: Marks：（满分100 分）一、单项选择(本题共15小题，每小题1分，共15分)从A、B、C、D四个选项中，选出最佳选项。
( )1.— Dick, do you often play violin in your free time?— No. I often play volleyball with my friends.A. the; /B. a; theC. /; theD. the; a( )2.There will be a football match next week. Our team will play Guanghua Team.A. atB. toC. aboutD. against( )3. Mr Li is a swimming . He teaches the children how to swim.A. fanB. studentC. coachD. visitor( )4.Don’t speak , Li Shan. Your sister is doing her homework now.A. quicklyB. loudlyC. quietlyD. slowly( )5.No. 15 Middle School No. 20 Middle School in the basketball match yesterday.A. lostB. wonC. passedD. beat( )6.— Do you like playing table tennis or swimming?— Table tennis. I think it is than swimming.A. excitingB. more boringC. more excitingD. boring( )7.The match will start in 20 minutes. The players have time to .A. get upB. warm upC. look upD. put up( )8.Don’t worry. I have time to help you improve your pronunciation.A. a fewB. plentyC. fewD. plenty of( )9. some exercise every day is important to us.A. DidB. DoC. DoingD. Does( )10.—is the score of the football match?— 3 to 2.A. WhyB. How muchC. WhatD. How many( )11.The sports you do, the you will be.A. much; healthyB. more; healthierC. much; healthierD. more; healthy( )12.That’s too bad! Bob his arms this morning. They can’t move now.A. learnedB. scoredC. hurtD. trained( )13.I did well in the English exam last Friday, but Lucy did .A. fasterB. betterC. moreD. earlier( )14.—Bad luck! I didn’t pass the exam.—. Next time you’ll do well.A. Never mindB. SorryC. Of courseD. OK( )15.— Are lots of people running along the street?—A.That’ll be great!B.Don’t worry about that.C.That’s very boring!D.I’m not sure about that.二. 完形填空(本题共10小题，每小题1分，共10分)先通读下面短文，掌握其大意，然后从每题所给的四个选项中选出最佳选项。
八年级上册Module 3测试（外研版）（满分：120）听力部分（20分）一．听力（20分）1)听句子，选出你所听到的单词.（5分）( ) 1.A)Excellent B) Great C) Wonderful D) Concert( ) 2.A)translation B) grammar C) pronunciation D) spelling( ) 3.A) captain B) competition C) cabin D) country( ) 4.A) brilliant B) delicious C) popular D) country( ) 5.A) piece B) prize C) paper D) place2) 听对话，根据对话内容，选择正确的答案。
( 5分)( )6. what will the man have?A．Milk B. Drinks C. Cakes( )7. Who are the two speakers?A. Teacher and studentB. Husband and wifeC. Doctor and patient( )8. Who do you think the man is?A. Kate’s fatherB. Kate’s teacherC. Kate’s friend( )9. What did Joan do last Sunday morning?A. She went to see her grandmaB. She played computer gamesC. She did herhomework( )10. Which city did they visit last?A.HainanB. GuangzhouC. kunming3) 听短文，根据短文内容，选择正确的答案。
（10分）( )11. Who will meet the visitors at nine in the morning?A. SusanB. The headmasterC. The students( )12. What lesson will they listen to?A. A maths lessonB. An English lessonC.A Chinese lesson( )13. Where will they visit this afternoonA. The officeB. The science buildingC. The science building and the library ( )14. What time will they have a party?A .At eight thirteen B. seven thirty C. At eight thirty( )15. Where will they have lunch and supper?A. In the restaurantB. In the dining hallC. In the meeting room笔试部分（100分）Ⅰ. 单项选择(15分)从A、B、C、D四个选项中，选择一个能填入句中空白处的最佳答案。
外研社初中英语重点知识精选掌握知识点，多做练习题，基础知识很重要！外研社版初中英语和你一起共同进步学业有成！UNIT 3 What were you doing when the UFO arrived?检测题本检测题满分：100分，时间：60分钟一、听力部分（每小题1分，满分20分）Ⅰ.录音中有五个句子，每个句子听一遍，然后从每小题A、B、C 中选出适合每个句子的答语。
1. A. Sure. B. I’d love to.C. Thanks.2. A. Great. B. Yes，I am.C. No，it isn’t.3. A. Yes，I study hard. B. No，I don’t study hard.C. I study by working with a group.4. A.I think so.B. Don’t worry. You’ll be successful if you keep on it.C. Yes，you do.5.A.No，I’m not. B. Yes，I do.C.I don’t know him.Ⅱ.录音中有五组对话，每组对话听一遍，然后从每小题A、B、C 中选出能回答每个问题的正确答案。
6. A. Table manners. B. An interesting meeting.C. An interesting book.7. A. What he should be sure of. B. If Switzerland is a beautiful place.C. How to be polite in Switzerland.8. A. I am full. B. It was delicious.C.I don’t want to eat any more.9. A. Go there earlier. B. Go there a little late.C. Go there on time.10. A. Talk with the woman. B. Trouble the woman.C. Ask the woman to return the book.Ⅲ. 录音中有一段对话，听对话两遍，然后从每小题A、B、C中选出能回答每个问题的正确答案。
外研版八年级上册英语Module3测试试题及答案每到英语考试的来临之际，教师们要怎样开展好自己的课堂教学的复习工作呢?让我们来为学生们制订一份良好的考试卷吧!以下是由店铺收集整理的外研版八年级上册英语Module 3测试试题，欢迎阅读!外研版八年级上册英语Module 3测试试题一、听力测试(满分15分)(一)听句子，选择与所听内容相符的图片。
(每个句子读一遍)(每小题1分，满分5分)(二)听对话，判断下列句子的正(T)误(F)。
(对话读两遍)(每小题1分，满分5分)6. Lucy likes running very much.( )7. Lucy runs faster than Mary.( )8. Both Lucy and Jack like the long jump.( )9. Jack likes the high jump and the long jump.( )10. Jack is going to be in the high jump team this year.( )(三)听短文，选择正确答案。
(短文读两遍)(每小题1分，满分5分)11. ______is/are popular with all the people in the world.A. FilmsB. MusicC. Sports12. Lots of people like sports because_______.A. they can make us have a healthier bodyB. they can help people make friendsC. both A and B13. In many Chinese schools there are_______.A. school carsB. sports teamsC. dance parties14. Girl students like playing _______at school.A. volleyball and table tennisB. football and basketballC. clothes and books15.China got_______ medals (奖牌) in 2008 Beijing Olympic Games.A. fiftyB. seventyC. one hundred二、单项填空(每小题1.5分，满分15分)16. —How about watching TV at home?—It’s too _______.Let’s play football.A. boringB. interestingC. excitingD. relaxing17.—D o you mind ________ the window? It’s a bit hot.—Of course not.A. openB. to openC. openingD. opens18. I think playing basketball is_______ dangerous than swimming.A. moreB. veryC. betterD. much19. The teacher was very pleased_______ Tony’s answer.A. withB. onC. inD. for20. I’m sure we can ________ the game. In my mind, nobody can _________ us.A. win; winB. win; beatC. beat; beatD. beat; win21.(2016•山东威海)I looked through my test paper again and again _______ I wouldn’t make any mistakes.A. soB. becauseC. so that22. (2016•陕西)_______ you speak, ___________ your English will be.A. The less; the moreB. The more; the betterC. The less; the betterD. The more; the less23. It’s important_______ the piano well.A. of him to playB. for him to playC. of him playingD. for him playing24.(2016•南宁)I have _______ finished my homework. I finished it an hour ago.A. yetB. alreadyC. everD. never25.—I made some mistakes at the dinner table last night.—_______. I’ll tell you some table manners later.A. Of courseB. Never mindC. You’re welcomeD. I’m sorry三、完形填空(每小题1.5分，满分15分)There is a saying, “No sports, no life.” Sports are very important to us. Sports help us to stay26 and get good grades.Everyone in our class 27 sports. Our favourite 28 is PE. We only have PE lessons29 a week, but we play sports every day. The most popular sport in our class is basketball. The boys enjoy 30 it, and many of the 31 like it, too. Another popular sport is football and there32 a lot of football fans (球迷) in our class. When the weather is 33 ,we often play ping-pong outside. We hardly ever (几乎不) play volleyball. We think it’s 34 .We have a basketball team. Our team often has friendship (友谊) matches (比赛) with teams from other schools. When there is a match, many of us go to 35 it. It’s very interesting.26. A. fit B. cool C. fat D. thin27. A. love B. loves C. loving D. loved28. A. food B. drink C. subject D. fruit29. A. two B. two time C. second D. twice30. A. play B. playing C. played D. to play31. A. students B. teachers C. girls D. people32. A. were B. are C. is D. was33. A. cloudy B. windy C. fine D. wet34. A. boring B. relaxing C. exciting D. interesting35. A. watch B. read C. look D. look at四、阅读理解(每小题2分，满分20 分)A(2016•x疆)Kelly’s favorite subject is P.E. But she had a hard time in P.E. class. She was not good at jumping very far，she had trouble throwing a ball，and she couldn’t run really fast. Sometimes，some kids made fun of (取笑) her. So why does Kelly love P.E. class?The reason is that her teacher Mr. Burns always tells her to do her best. Though she only ran for a few minutes，Mr. Burns said,“Good job! Next time you will be able to go a little longer.”Mr. Burns even put a small box on the floor，so Kelly would be able to practice jumping over it.That night when Kelly finished dinner，she put three boxes and began practicing jumping over them. She made it! Kelly thought to herself,“Tomorrow I will be able to jump over those boxes in P.E. class.”There was a relay race (接力赛) on Tuesday. Kelly was scared that she would not be able to go very far. When Kelly ran around the track (跑道)，she heard many cheers and kids shouting,“Go Kelly! You can do it!” That was all she needed to hear. Kelly ran fast. She finished first! The kids cheered for her. Kelly felt so good.“Thank you，Mr. Burns,” said Kelly.“Kelly，you ran the race，not me.”“Yes，but you always said I could do it.”根据材料内容选择最佳答案。
英语8上外研版训练题（M3）及答案每个模块的训练题分基础训练和能力拓展。
基础部分从生词、短语、交际用语、语法、句子结构几个方面训练。
能力拓展部分从单项选择、完形填空、阅读理解、句型转换、书面表达几个方面训练。
都有答案或者解析。
(基础训练)●Exercises for new words(生词专练)Ⅰ.Complete the sentence according to the sentence meaning and tip.(根据句意和提示完成句子。
)1.Has it reached (火星) yet?2.The journey has taken (数月).3.We haven’t found life on other (行星)yet.4.The sun and its planet are called (太阳系).5.It’s an (不载人的) mission.6.The (宇航员) have discovered many interesting things.7.The v(信息) has been around the country about three years.答案：Ⅰ.1.Mars 2.several months 3.planets 4.solar system5.unmanned6.astronauts,recently7.message●Exercises for phrases(短语专练)Ⅱ.Complete the sentence with the proper phrase in the box.(用方框里适当的短语完成句子。
)hear about millions of try doing sth.go around more than send sb.(a)message(s)try to do sth.1.I haven’t seen Tom for a long time,so I him .2.The earth is a planet and it t he sun.3.There has been life on earth for years.4.There is one galaxy.5.They have send information to us.6.—Tom,I’ve just heard that scientists have sent a spacecraft to Mars.—Really?I haven’t this yet.Ⅱ.1.send,a message 2.goes around lions of 4.more than 5.tried to 6.heard about●Exercises for function items(交际用语专练)Ⅲ.Complete the dialogue with the right choice in the box.(从方框中选出适当的句子补全对话。
外研社八年级上册英语m3练习题外研社八年级上册英语第三模块的练习题可以包括词汇、语法、阅读理解和写作等部分。
以下是一些示例练习题：词汇练习1. 根据所给的英文释义，写出对应的单词。
- A word that means "to make something more interesting or enjoyable." (amuse)- The opposite of "beginning." (end)- A person who is very good at doing something. (expert)2. 用括号中所给单词的正确形式填空。
- She is an ___________ in playing the piano. (expert)- The children were ___________ by the clown at the party. (amuse)语法练习1. 用所给动词的适当形式填空。
- I ___________ (not finish) my homework yet.- They ___________ (go) to the beach last weekend.2. 选择正确的选项完成句子。
- The movie was so interesting that I ___________ watch it again.A. want toB. am going toC. have to阅读理解阅读下面的短文，然后回答问题。
Tom and Jerry were best friends. They loved to play together in the park. One day, they decided to have a race. Tom was faster than Jerry, but Jerry was more determined. In the end, Jerry won the race because he never gave up.1. Who were the best friends?2. What did they love to do in the park?3. Who won the race and why?写作练习写一篇短文，描述你最喜欢的季节和原因。
能力训练题（三）一、完形填空ACan you imagine astronauts’ everyday life in space? They also need to eat, __1__, exercise and relax. They do the same things as us, but they do __2__ differently.On earth, we put food on a plate and water in a glass. Gravity(重力) holds the food down and keeps the water in the glass. __3__ there is almost no gravity in space, so food can float (漂浮) away, and astronauts must eat and drink __4__.Sleeping is very different in space .Some astronauts like to float in the air, but most like to be in a __5__ bag. They tie the bag to a wall __6__ they won’t float away at night. Exercise is very important in space. On earth, your legs __7__ your body, but in space, astronauts float. So they do not use their legs often. This is very __8__ their legs, so they must exercise for thirty minutes every day.After a day’s work, astronauts relax. They may listen to music, read, watch films, play games, or talk to their friends and famil ies __9__ the radio Sometimes they just enjoy __10__ in the air.1. A. play B. work C. sleep D. drink2. A. it B. them C.one D. themselves3. A. And B. But C . So D. Or4. A. careless. B. carelessly C. careful D. carefully5. A. sleep B. sleepy C. sleeping D. asleep6. A. when B. while C. so that D. if7. A. take B. carry C. bring D. get8. A. good for B. bad for C. good at D. good with9. A. on B. by C. with D. for10. A. float B. floating C. floated D. to floatBAt 9:00 am on October 15,2003, our country launched (发射) its first spaceship, Shenzhou Ⅴ, into space at Jiuquan Satell ite Launch Centre. It took Yang Liwei and his spaceship about 21 hours 11 the earth 14 times. Yang Liwei is China’s first astronaut. He 12 Liaoning Province and 13 an air force pilot (飞行员) since 1983.He was chosen 14 14 pilots after many difficult tests.The life of an astronaut is hard to imagine for many people. 15 on a spacesuit takes him 15 minutes with the help of others.Sleeping in space is not easy,16. He 17 sleep in a special sleeping bag on the wall because there is no gravity (重力). Yang can eat chicken and rice. It’s specially made 18 in space but tastes just like the real thing.“I‘m feel ing very good in space, and it looks wonderful here,”said Yang.“I have looked at our beautiful earth and recorded 19 I h ave seen there.”China has became the third country in the world to send a person into space.We are all 20 our motherland.11.A.circled B.circling C.to circle D.circle12.A.was born B.came to es from D.gave birth to13.A.has been B.was C.are D.in14.A.of B.for C.in D. from15.A.To putting B.Put C.Puts D.To put16.A.too B.also C.as well D.either17.A.must B.has to C.may D.can18.A.to eat B.eat C.ate D.eat up19.A.which B.what C.where D.when20.A.pride of B.pride in C.proud of D.proud in二、阅读理解AScientists wanted to know more about the moon. They thought the best way was to send men to the moon. The moon is about 384,000 kilometers away from the earth. A plane cannot fly to the moon because the air reaches only 240 kilometers away from the earth. But something can fly even when there is no air. That is a rocket.How does a rocket fly? There is gas in the rocket. When the gas is made very hot inside the rocket, it will rush out of the end of the rocket, so it can make the rocket fly up into the sky.Rockets can fly far out into space. Rockets with space-ships with men in them have been to the moon. Several rockets with spaceships with men have flown to another planet much farther away than the moon. One day rockets may be able to go to any place in the space.1. Scientists can be sent to the moon by ______.A. planeB. rocketC. satelliteD. man-made satellite2. The earth is about 384,000 kilometers away from the ______.A. moonB. universeC. starD. sun3. A plane cannot fly to the moon because ______.A. there is no gas in the planeB. the plane must be driven by a manC. there is no air above 240 kilometers away from the earthD. it is smaller than a rocket4. The hot gas in the rocket is used for ______.A. keeping the men in the rocket warmB. cooking foodC. making the rocket fly upD. keeping the balance of temperature5. What does this passage mainly talk about?A. The gas in the rocketB. The plane can’t fly to the moon.C. We can know about the moon and the rockets.D. The wa y from the earth to the moon.BIn the universe, as we know, there is the sun, the moon, the eart h and many stars. In our geography lessons, we know the earth goes round the sun, and the moon goes round the earth. We have day and night because the earth keeps turning all the time. When our part of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night.Just because the moon is nearer to the earth than the sun, it looks much bigger than the sun. Big things will look smaller when they are farther, and small things also look bigger when they are nearer.The sun is bright enough to give out very strong light. The moon can't give any light at all, but it looks quite bright, too. Why? In fact, the light from the moon comes from the sun. The moon looks much bigger and brighter than the sta rs. But actually the stars are much bigger and brighter than the moon. They look smaller than the moon also because they are farther away from the earth.There are still many other planets in the universe. All of them move round the sun. But o f all these planets, only on the earth there are living things and people can only live on the earth, too. But at 9:00 a. m, on October 15th 2003, Chinese pilotYang Liwei was sent up to space. He stayed there for 21 hours. It was the first time for Chinese to get into space.6.We find the sun ______ than the moon because it is ______ to us.A. bigger; fartherB. smaller; nearerC. bigger; closerD. smaller; farther7. When our part of the earth turns away from the sun, the other part of the earth is ______.A. nightB. dayC. eveningD. Sunday8. People and living things can live on the ______.A. earthB. MarsC. moonD. sun9. When did the pilot from our country return to the earth?A. On November 15th, 2002.B. On Octo ber 16th, 2003.C. On May 5th, 2004.D. On October 15th, 2003.10. Which of the following is TRUE according to the passage?A. The moon goes round the earth, and it can't give out any light at all.B. The moon goes round the sun, and its light is from the sun.C. The earth moves round the moon, and people can live only on the earth.D. Of all the planets, only the earth moves round the sun.CVenus (金星) is only a little smaller than the earth, ab out 95% of the earth’s diameter (直径) and 80% of the earth’s mass (质量). The word Venus means the goddess of love and beauty in Greek. We name the planet so probably because it is one of the brightest planets we have known by now. We human beings have known Venus for a long time. It is the brightestthing in the sky except the sun and the moon. Venus reaches its maximum (最大的) brightness shortly before sunrise or shortly after sunset, and is often thought of as the Morning Star or as the Evening Star. A lot of observation of Venus was important to Copernicus’s heliocentric theory (日心说) of the solar system. In 1962 scientists sent the first spacecraft (宇宙飞船) to explore Venus. So far there have been more than 20 and we will know more about Venus in the future.11. What’s Venus like?A. It’s bigger and heavier than the earth.B. It’s smaller and brighter than the moon.C. It’s bigger and lighter than the sun.D. It’s smaller and lighter than the earth.12. What does the word “Venus” mean in Greek?A. The goddess of love and beauty.B. The morning star.C. The evening star.D. The center of the solar system.13. Which of the following is TRUE?A. Venus is not a planet.B. Venus is the brightest in the sky.C. Venus is in the solar system.D. People have never sent a spacecraft to Venus.14. What does the underlined word “observation” mean in Chinese?A. 理论B. 观察C. 学说D. 作品15. Scientists sent the first spacecraft to Venus in .A. 2012B. 1942C. 1962D. 1982参考答案：一 (A)1-5CBBDC 6-10CBBAB(B)11-15CCADD 16-20DBABC二 1-5BACCC 6-10DBABA 11-15DACBC。
