2017届高考总复习限时规范训练必修5 unit 4 含答案

必修5 Unit 4 高考试卷分块专练练(一)语言知识运用保分练(1篇完形＋1篇语法填空，限时25分钟)Ⅰ.完形填空One of Fatah's close friends had several farms. One year due to __1__ economic conditions, people were suffering starvation. This man __2__ to give the harvest of one of his farms to the __3__. So he went to the square and announced that people could benefit from the __4__，if they were __5__，and that they could not take from the harvest more than what was __6__.The needy went there every day in large groups and benefited. The __7__ of the farm was so busy with his work that he didn't follow up (关注) closely on the __8__ of that piece of land. After he had __9__ all the other pieces of land, he __10__ this particular farm he had given as charity, and __11__ his servants to go and collect any dry grass, plants and __12__ that might have remained.To the great __13__ of the servants, they found that there __14__ remained a lot of crops that had not been harvested. When getting in the harvest, they all __15__ that the harvest of that piece of land exceeded (超过) that of all the other pieces of land that the man owned.__16__，while it was a common __17__ to leave the land without planting any crops the following year __18__ it could regain the minerals it had __19__，it was found that this piece of land had not lost anything at all, and it was __20__ to grow crops in the following year.语篇解读：本文是一篇记叙文。

第一部分必修五Unit 4Ⅰ.用所给单词的适当形式填空1．I am very __________ (delight) to accept it. Thank you for your lovely doll.2．After graduation she got an __________ (admire) job.3．He is a __________ (profession) artist; he lives by selling his pictures.4．I believe the house was __________ (deliberate) set fire to.5．I wondered if I could have an __________ (appoint) with the doctor the following day.6．I have formed the habit of __________ (polish) my shoes before I leave home.7．I waited patiently hoping that someone would come to my __________(assist)．8．We were able to get the __________ (inform) we needed from the Internet.答案：1.delighted 2.admirable 3.professional 4.deliberately 5.appointment 6.polishing 7.assistance rmationⅡ.完成句子1．I don't ______________________(同意你抽烟) in bed.(approve)2．Only when you are eighteen ______________________(你才能参军)．(join)3．Please ______________________(告诉我) your plan by letter.(inform)4．As an adult, you shouldn't ______________________(依赖) your parents.(depend)5．After the exam, she will ______________________ (集中精力) playing the piano.(concentrate) 答案：1.approve of your smoking 2.can you join the army 3．inform me of 4.depend on 5.concentrate onⅢ.话题写作根据提示，利用本单元所学知识，完成下面的小作文。

第一部分必修4Unit 5Ⅰ.单句改错1．There is no wonder that he often wins the first prize.________________________________________________________________________ 2．We have made great advance in the project.________________________________________________________________________ 3．Tu Youyou is famous for a scientist.________________________________________________________________________ 4．Whoever will go there is not decided.________________________________________________________________________ 5．When it comes to protect the environment, everyone's contributions count.________________________________________________________________________ 【答案】1.There→It 2.advance→advances 3.for→as4．Whoever→Who 5.protect→protectingⅡ.语境填空variety，swing，unique，preserve，admit，deed，minority1．He is faithful in word and ____________.2．Everyone's fingerprints are ____________.3．As he pushed her, she ____________ higher and higher.4．In early autumn I applied for ____________ to college.5．The society was set up ____________ endangered species from extinction.6．For those visiting with children, a special family tour and ____________ activities areoffered during school holidays and at weekends.【答案】1.deed 2.unique 3.swung 4.admission5．to preserve 6.variousⅢ.短语活用2．The subject of the talk is announced a week____________________.3．The boy seized every opportunity to______________ the girl.4．The Irish__________________ being warm-hearted and friendly.5. The library __________________ the library of Congress of Washington.【答案】1.came to life 2.in advance 3.get close to4．are famous for 5.was modelled afterⅣ.完成句子1．如果你和我们一块去那儿，最好提前让我知道。

必修五Unit 4MY FIRST WORK ASSIGNMENT" UNFORGETTABLE" ,SAYS NEW JOURNALISTNever will Zhou Yang (ZY) forget his first 1. (assign) at the office of a popular English newspaper. His discussion with his new boss, Hu Xin (HX), was to strongly influence his life 2. a journalist.HX: Welcome. We're 3. (delight) you're coming to work with us. Your first job here will be an assistant journalist. Do you have any questions?ZY: Can I go out 4. a story immediately?HX: (laughing) That' s 5. (admire) , but I' m afraid it would be unusual! Wait till you're more 6. (experience). First we'll put you as an assistant 7. to an experienced journalist. Later you can (报导一个事件) and submit the article yourself.ZY: Wonderful. What do I need to take 7. me? I already have a notebook and camera.HX: No need 8. a camera. You'll have a 9. (profession) photographer with you to take photographs. You'll find your colleagues very eager 10. __________ (assist) you, so you may be able to concentrate on photography later if you' re interested.ZY: Thank you. Not only 11. (be) I interested in photography, 12. I took an amateur course at university to update my skills.HX: Good.ZY: What do I need to remember when I go out to cover a story?HX: You need to be curious. Only if you ask many different questions will you a__________(获取) all 13. information you need to know. We say a good journalist must have a good "nose" for a story. That means you must be able to assess 14. ________ people are not telling the whole truth and then try to discover it. They must use research to inform themselves 15. the missing parts of the story.ZY: What should I (记在心里)?HX: Here 16. (come) my list of dos and don'ts: don't ________ _______ ___________ (错过最后期限), don't be rude, don't talk too much, 17. make sure you listen to the interviewee carefully.ZY: 18. is listening so important?HX: Well, you have to listen for 19. (detail) facts. Meanwhile you have to prepare the next question 20. (depend) on what the person says.ZY: But 21 can I listen carefully while taking notes?HX: This is a (这一行的秘诀), If the interviewee agrees, you can use a recorder to get the facts straight. It's also useful if 22. _______ person wants to challenge you. You have the evidence to support your story. ZY: I see! Have you ever had a case 23. someone accused your journalists 24. of ________ (完全搞错)? HX: Yes, but it was a long time ago. This is 24. the story goes. A footballer 25. ________ (accuse) of taking money for deliberately not 26. (score) goals so as to let the other team win. We went to interview him. He denied 27. (take) money but we were sceptical. So we arranged an interview between the footballer and the man 28. (suppose) to bribe him. When we saw them together we guessed 29. ________ the footballer's body language that he was not telling the truth. So we wrote an article 30. (suggest) he was guilty. It was a dilemma 31. the footballer could have demanded damages if we were wrong. He tried to stop us 32. __________ (publish) it but later we 33. (prove) right.ZY: Wow! That was a real "scoop". I'm looking forward to my first assignment now. Perhaps I'll get a scoop too!HX: Perhaps you will. You never know.GETTING THE "SCOOP""Quick," said the editor. "Get that story ready. We need it in this 1. (edit) to be ahead of the other newspapers. This is a scoop." Zhou Yang had just come back into the office after 2. interview with a famous film star. "Did he really do that?" asked someone from the International News Department. "Yes, I' m afraid he did," Zhou Yang answered. He set to work.His first task was to write his story, but he had to do it carefully. 3. he realized the man had been lying, Zhou Yang knew he must not accuse him 4. __________ (direct). He would have to be accurate. Concise too! He knew how to do that. Months of training 5. (teach) him to write with no wasted words or phrases. He satdown at his computer and began to work.The first person 6. saw his article was a senior editor from his department. He checked the evidence, read the article and 7. (pass) it on to the copy-editor. She began to edit the piece and design the main headline and smaller heading. “This will look very good on the page,” she said. "8. is a good picture of this man?" Then as the article was going to 9. (write) in English Zhou Yang also took a copy to the native speaker employed by the newspaper to polish the style. She was also very happy 10. Zhou Yang's story. "You are really able to write a good front page article," she said. Zhou Yang smiled 11. happiness. Last of all, the ________ _________ (主编) read it and approved it. "Well done," he said to Zhou Yang. "But please show me your evidence so we're sure we've got our facts straight.” “I’ll bring it to you immediately," said Zhou Yang 12. (excite).The news desk editor took the story and began to work on all the stories and photos 13. all the pages were set. All the information was then ready to 14.____________ (process) into film negatives. This was the first stage of the printing process. They needed four 15. (negative), as several colours were going to be used on the story. Each of the main colours had one negative sheet 16. when they were combined they made a coloured page for the newspaper. After one last check the page was ready to 17. (print). Zhou Yang waited excitedly for the first copies to be ready. "Wait till tonight," his friend whispered. "I expect there 18. ____________ (be) something about this on the television news. A real scoop!" MY FIRST WORK ASSIGNMENT" UNFORGETTABLE" ,SAYS NEW JOURNALISTNever will Zhou Yang (ZY) forget his first 1. assignment (assign) at the office of a popular English newspaper. His discussion with his new boss, Hu Xin (HX), was to strongly influence his life 2. as a journalist.HX: Welcome. We're 3. delighted (delight) you're coming to work with us. Your first job here will be an assistant journalist. Do you have any questions?ZY: Can I go out 4. on a story immediately?HX: (laughing) That' s 5.admirable (admire) , but I' m afraid it would be unusual! Wait till you're more 6. experienced (experience). First we'll put you as an assistant 7. to an experienced journalist. Later you can cover a story (报导一个事件) and submit the article yourself.ZY: Wonderful. What do I need to take 7. with me? I already have a notebook and camera.HX: No need 8. for a camera. You'll have a 9. professional (profession) photographer with you to take photographs. You'll find your colleagues very eager 10. to assist (assist) you, so you may be able to concentrate on photography later if you' re interested.ZY: Thank you. Not only 11. am (be) I interested in photography, 12. but I took an amateur course at university to update my skills.HX: Good.ZY: What do I need to remember when I go out to cover a story?HX: You need to be curious. Only if you ask many different questions will you acquire(获取) all 13. the information you need to know. We say a good journalist must have a good "nose" for a story. That means you must be able to assess 14. when people are not telling the whole truth and then try to discover it. They must use research to inform themselves 15. of the missing parts of the story.ZY: What should I keep in mind (记在心里)?HX: Here 16. comes (come) my list of dos and don'ts: don't miss your deadline (错过最后期限), don't be rude, don't talk too much, 17. but make sure you listen to the interviewee carefully.ZY: 18. Why is listening so important?HX: Well, you have to listen for 19. detailed (detail) facts. Meanwhile you have to prepare the next question 20. depending (depend) on what the person says.ZY: But 21 how can I listen carefully while taking notes?HX: This is a trick of the trade (这一行的秘诀), If the interviewee agrees, you can use a recorder to get the facts straight. It's also useful if 22. a person wants to challenge you. You have the evidence to support your story.ZY: I see! Have you ever had a case 23. where someone accused your journalists 24. of getting the wrong end of the stick (完全搞错)?HX: Yes, but it was a long time ago. This is 24. how the story goes. A footballer 25. was accused (accuse) of taking money for deliberately not 26. scoring (score) goals so as to let the other team win. We went to interview him. He denied 27. taking (take) money but we were sceptical. So we arranged an interview between the footballer and the man 28. supposed (suppose) to bribe him. When we saw them together we guessed 29. from the footballer's body language that he was not telling the truth. So we wrote an article 30. suggesting (suggest) he was guilty. It was a dilemma 31. because the footballer could have demanded damages if we were wrong. He tried to stop us 32. publishing (publish) it but later we 33. were proved (prove) right.ZY: Wow! That was a real "scoop". I'm looking forward to my first assignment now. Perhaps I'll get a scoop too!HX: Perhaps you will. You never know.GETTING THE "SCOOP""Quick," said the editor. "Get that story ready. We need it in this 1. edition (edit) to be ahead of the other newspapers. This is a scoop." Zhou Yang had just come back into the office after 2. an interview with a famous film star. "Did he really do that?" asked someone from the International News Department. "Yes, I' m afraid he did," Zhou Yang answered. He set to work.His first task was to write his story, but he had to do it carefully. 3. Although he realized the man had been lying, Zhou Yang knew he must not accuse him 4. directly (direct). He would have to be accurate. Concise too! He knew how to do that. Months of training 5. had taught (teach) him to write with no wasted words or phrases. He sat down at his computer and began to work.The first person 6. who saw his article was a senior editor from his department. He checked the evidence, read the article and 7. passed (pass) it on to the copy-editor. She began to edit the piece and desig n the main headline and smaller heading. “This will look very good on th e page,” she sai d. "8. Where is a good picture of this man?" Then as the article was going to 9. be written (write) in English Zhou Yang also took a copy to the native speaker employed by the newspaper to polish the style. She was also very happy 10. with Zhou Yang's story. "You are really able to write a good front page article," she said. Zhou Yang smiled 11. with happiness. Last of all, the chief editor (主编) read it and approved it. "Well done," he said to Zhou Yang. "But please show me your evidence so we're sure we've got our facts straight.” “I’ll bring it to you immediately," said Zhou Yang 12. excitedly (excite).The news desk editor took the story and began to work on all the stories and photos 13. until all the pages were set. All the information was then ready to 14. be processed (process) into film negatives. This was the first stage of the printing process. They needed four 15. negatives (negative), as several colours were going to be used on the story. Each of the main colours had one negative sheet 16. and when they were combined they made a coloured page for the newspaper. After one last check the page was ready to 17. be printed (print). Zhou Yang waited excitedly for the first copies to be ready. "Wait till tonight," his friend whispered. "I expect there 18. will be (be) something about this on the television news. A real scoop!"。

Unit 4(时间：40分钟满分：45分)Ⅰ.单项填空(共15小题；每小题1分，满分15分)1．He ________ to save the dying man，but failed.A．managed B．attemptedC．risked D．assisted答案B[句意：他努力想把那个垂死的人救过来，但没有成功。

attempt to do＝try to do。

而manage to do表示“做成某事”；risk doing“冒险做”。

]2．When I visited her，she was ________ in writing a lecture speech on Chinese History. A．absorbing B．concentratedC．devoted D．occupied答案D[动词辨析。

be occupied in doing sth“集中精力”。

其他三个词的用法为be absorbed in/ concentrate on/ devote...to，故在此处的结构不正确。

]3．The policeman stopped him when he was driving home and ________ him of speeding. A．charged B．accused C．blamed D．warned答案B[考查动词辨析。

accuse sb of (doing) sth“指控某人做了某事”。

句意：他开车回家时被警察拦住，指控他超速驾驶。

]4．We hired a boat ________ we could go fishing on the weekend.A．in order to B．so as toC．in order D．so that答案D[后面是从句，所以排除动词不定式in order to和so as to，而in order后面跟从句要使用that。

英语：高考必修5Unit4知能强化训练Ⅰ.完成句子1．如果你想继续呆在这家公司，你就必须集中精力工作。

If you want to continue to stay in the firm，you must________ ________ ________. 答案： concentrate your workThe teacher demanded that we________ ________ ________ he said in class just now. 答案：(should)note down what3．为了赶上同学那个小男孩决心更加努力地学习。

That boy decided to work harder ________ ________ ________ ________ ________ ________ his classmates.答案：so as to catch up with4．我绝不会赞成在村子附近建化工厂的方案。

In no case ________ ________ ________ ________ the plan that a chemical factory will be built near the village.答案：will I approve of5．你不仅应该学会用文字表达自己，而且还应学会通过手势和别人交流。

Not only ________ ________ ________ ________ use words to express yourself，but you should also learn to communicate with others using gestures.答案：should you learn toⅡ.易错模块1．Today，we’ll discuss a number of cases________beginners of English fail to use the language properly.A．which B．asC．why D．where解析：选D。

第一部分必修4Unit 5Ⅰ.完形填空(2016安徽合肥168中学高三第二次段考)Every week or so, I buy a fresh bouquet of flowers for my wife.I don't smoke or have any particular bad habits that I need to __1__ money.So I decided I would put my money to good use by bringing __2__ of beauty to the one who brings beauty into my world.Just yesterday I __3__ by the florist's down the street and for the very first time I discovered a rock tree.The tree does not __4__ rocks, although jokingly I told the florist I __5__knew until now where rocks came from.The approximately six-foot-tall tree had __6__ hanging on four branches.Each was placed at four points as if to __7__ balance.In fact the woman told me that is __8__ what it does—creates balance.She read about it in an oriental book.The tree was planted there __9__ it died.It seemed to have little chance to __10__ there.The book said that __11__ balancing the tree and weighting it down, it would have a better chance of survival.In recent months I have discovered the __12__ principle also applies to our lives.Often at times the reason why we __13__ in achieving our goals and dreams is that our lives are not balanced properly.__14__when you are considered as the person who works too much, everything else including your marriage and family life will __15__.In my mind the four corners of a balanced and __16__life are as follows: spiritual, family, personal and professional.They are in fact in order of __17__.Just like the tree, when we learn to balance our lives, our roots grow __18__.When we open ourselves to the nourishment(营养), it __19__us a balanced life and the fruits of our efforts are abundant in all four areas.Strong __20__help us to stand tall against the most destructive storms.()1.A.save B．spendC．waste D．make()2.A.something B．nothingC．anything D．everything()3.A.wandered B．arrivedC．left D．stopped()4.A.bring B．bearC．become D．absorb()5.A.always B．oftenC．already D．never()6.A.rocks B．leavesC．notes D．branches()7.A.find B．enjoyC．keep D．lose()8.A.finally B．exactlyC．luckily D．slowly()9.A.when B．afterC．until D．before()10.A.play B．workC．survive D．rise()11.A.by B．inC．with D．on()12.A.next B．sameC．other D．last()13.A.wait B．regretC．stay D．fail()14.A.Especially B．UnlikelyC．Strangely D．Specially()15.A.happen B．changeC．suffer D．appear()16.A.rich B．successfulC．hard D．common()17.A.safety B．difficultyC．interest D．importance()18.A.stronger B．thinnerC．higher D．farther()19.A.includes B．protectsC．provides D．prevents()20.A.winds B．rootsC．trees D．wishes【主旨大意】作者在花店见到一棵岩石树，发现岩石树的四根枝条都压着石头以保持平衡。

【25份】2017届高考总复习（人教新课标）必修1-5限时规范训练及答案目录第一部分必修1Unit 1Ⅰ.完形填空(2015全国课标Ⅱ)Where do you go when you want to learn something? School? A friend? A tutor? These areall __1__ places of learning.But it may well be that the learning you really want __2__ somewhere else instead.I had the __3__ of seeing this first hand on a __4__.My daughter plays on a recreational soccer team.They did very well this season and so __5__ a tournament, which normally was only for more skilled club teams.This led to some __6__ experiences on Saturday as they played against teams __7__ trained.Through the first two games, her __8__ did not get one serious shot on goal.As a parent, I __9__ seeing my daughter playingher best, __10__ still defeated.It seemed that something clicked with the __11__ between Saturday and Sunday.When they__12__ for their Sunday game, they were __13__ different.They had begun to integrate (融合)the kinds of play and teamwork they had __14__ the day before into their __15__.They played aggressively and __16__ scored a goal.It __17__ me that playing against the other team was a great __18__ moment for all the girls on the team.I think it is a general principle.__19__ is the best teacher.The lessons they learned may not be __20__ what they would have gotten in school, but are certainly more personal and meaningful, because they had to work them out on their own.()1.A．public B．traditionalC．official D．special()2.A．passes B．worksC．lies D．ends()3.A．dream B．ideaC．habit D．chance()4.A．trip B．holidayC．weekend D．square()5.A．won B．enteredC．organized D．watched()6.A．painful B．strangeC．common D．practical()7.A．less B．poorlyC．newly D．better()8.A．fans B．tutorsC．class D．team()9.A．imagined B．hatedC．avoided D．missed()10.A．if B．orC．but D．as()11.A．girls B．parentsC．coaches D．viewers()12.A．dressed B．showed upC．made up D．planned()13.A．slightly B．hardlyC．basically D．completely()14.A．seen B．knownC．heard D．read()15.A．styles B．trainingC．game D．rules()16.A．even B．stillC．seldom D．again()17.A．confused B．struckC．reminded D．warned()18.A．touching B．thinkingC．encouraging D．learning()19.A．Experience B．IndependenceC．Curiosity D．Interest()20.A．harmful to B．mixed withC．different from D．applied to【主旨大意】作者通过自己观看女儿参加足球锦标赛的经历告诉我们，一个人真正需要的是自己在亲身经历中通过摸索、反思获得的东西。

第一部分必修5Unit 1Ⅰ.完形填空(2015福建)One of the easiest things in the world is to become a fault-finder. However, life can be __1__ when you are not busy finding fault with it.Several years ago I __2__ a letter from seventeen-year-old Kerry, who described herself as a world-class fault-finder, almost always __3__ by things.People were always doing things that annoyed her, and __4__ was ever good enough. She was highly self-critical and also found fault with her friends. She became a really __5__ person.Unfortunately, it took a horrible accident to change her __6__. Her best friend was seriously hurt in a car crash. What made it almost __7__ to deal with was that the day before the __8__，Kerry had visited her friend and had spent the whole time criticizing her __9__ of boyfriends, the way she was living, the way she related to her mother, and various other things she felt she needed to __10__. It wasn't until her friend was badly hurt that Kerry became __11__ her habit of finding fault. Very quickly, she learned to appreciate life rather than to __12__ everything so harshly (刻薄). She was able to transfer her new wisdom to other parts of her __13__ as well.Perhaps most of us aren't as extreme at fault-finding, __14__ when we're honest, we can be sharply __15__ of the world. I'm not suggesting you __16__ problems, or that you pretend things are __17__ than they are, but simply that you learn to allow things to be as they are—__18__ most of the time, and especially when it's not a really big __19__.Train yourself to “bite your tongue”，and with a little __20__，you'll get really good at letting things go. And when you do, you'll get back your enthusiasm and love for life.()1.A.lonely B．greatC．quiet D．uneasy()2.A.received B．answeredC．expected D．rejected()3.A.threatened B．interruptedC．bothered D．spoiled()4.A.anything B．everythingC．something D．nothing()5.A.caring B．boringC．interesting D．surprising()6.A.attitude B．planC．measure D．explanation()7.A.urgent B．unnecessaryC．certain D．impossible()8.A.occasion B．eventC．accident D．adventure()9.A.memory B．noticeC．evidence D．choice()10.A.hear B．contributeC．express D．admit()11.A.aware of B．afraid ofC．curious about D．confused about()12.A.discuss B．realizeC．judge D．settle()13.A.family B．lifeC．career D．education()14.A.so B．orC．but D．for()15.A.proud B．sureC．hopeful D．critical()16.A.face B．createC．solve D．ignore()17.A.rarer B．betterC．stranger D．worse()18.A.at least B．at lastC．by far D．so far()19.A.task B．dealC．result D．duty()20.A.practice B．speechC．rest D．pity【主旨大意】文章通过一则事例说明，在生活中总是吹毛求疵的话，日子会变得很艰难，人们应该学会宽容，并介绍了挑剔者重新获得对生活的爱和热情的技巧。

第一部分必修5Unit 1Ⅰ.单句改错1．New evidence might lead to the conclusion what they have foreseen the risk.________________________________________________________________________2．Absorbing in the novel, the boy didn't notice the teacher enter the classroom.________________________________________________________________________3．I think you are to blamed for the failure of the construction.________________________________________________________________________4．Everyone should make contributions to reduce air pollution.________________________________________________________________________5．His father is strict in him, making him very sad.________________________________________________________________________【答案】1.what→that 2.Absorbing→Absorbed3．blamed→blame 4.reduce→reducing 5.in→withⅡ.语境填空conclusion，attend，expose，cure，challenge，absorb，suspect，blame，handle，announcement，spin2．When I do the job, there are some technical ______ to overcome.3．A driver____________ of drink driving should provide specimens(标本) for testing.4．I refuse to accept the ____________ for something that was someone else's fault.5．Even more to the point, ____________ your speech with “Thanks for your time”．6．If people ____________ food properly, the risk of food poisoning is very small.7．Despite the advantages, we are usually required to work during the day and ____________ classes at night.8．Alcohol may take a few minutes ____________ into the bloodstream and start action on the brain.9．Such events can ____________ astronauts to a deadly amount, can disable satellites, cause power failures on Earth and disturb communications.10．As we were about to arrive, the pilot ____________ with apology that there would be a slight delay before setting down.【答案】1.cure 2.challenges 3.suspected 4.blame5．conclude 6.handle7.attend8.to be absorbed9．expose10.announcedⅢ.短语活用2．The scientist as well as his workmates ______________their research.3．__________________ good service, the restaurant offers different kinds of traditional Fujian dishes.4．The lectures offer students the chance to __________________ of mathematical knowledge that may have seemed so frightening.5．Lots of factors __________________teenagers' experimentation with alcohol and drugs.6．Previous studies have __________ high exposure to environmental pollution ________ an increased risk of heart problems.【答案】1.put forward 2.is strict in 3.Apart from4．make sense 5.contribute to 6.linked; toⅣ.完成句子1．最后，一些好的英语学习网站也对提高我的英语水平起了很大作用。