兰州大学英语第三学期答案

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兰州大学英语3课后复习标准答案

1. This is not your radio, by ___.yours brotheryour brother'syou brother'syours brother's本题分值： 4.0用户未作答标准答案： your brother's2. Two ___ three is five.plusminusmutiplydevide本题分值： 4.0用户未作答标准答案：plus3. The policeman told the boys ___ football in this park.not playingnot playnot to playto not play本题分值： 4.0用户未作答标准答案： not to play4. What a ___ watch it is!most beautifulmore beautifulthe most beautifulbeautiful本题分值： 4.0用户未作答标准答案： beautiful5. ___ in thought, he almost ran into the car in front of him.losinghaving lostTo loseLost本题分值： 4.0用户未作答标准答案： Lost6. There was ___ in the meeting room.no oneanotheranyonethe one本题分值： 4.0用户未作答标准答案： anyone7. The kind old man wsa always ready ___ people I trouble.helpedhelpingto helphelp本题分值： 4.0用户未作答标准答案： to help8. Why not do it ___ ? Let me give you a helping hand this time.second timea second timetwo timethe second time本题分值： 4.0用户未作答标准答案： a second time9. Because of the strike, British Rail has been forced to ________ all trains toLondon.cancelabandonpostponerecall本题分值： 4.0用户未作答标准答案：cancel10. When I ___school this morning, it ___, so I used my raincoat.left, was rainingwas leaving, was raininghad left, was rainingleft, rained本题分值： 4.0用户未作答标准答案：left, was raining11. He is ___than ___.busier, usbusier, wemore busy,wemore busy, us本题分值： 4.0用户未作答标准答案： busier, we12. Please join us. We can easily make ___ for one more at this table.seatplaceroomspace本题分值： 4.0用户未作答标准答案： room13. ___ Browns are very friendly. They usually have a party on ___ Saturday evening.The, //, /The, a/, a本题分值： 4.0用户未作答标准答案：The, /14. Only on Saturdays ___ play basketball.he doescan hehe candoes he本题分值： 4.0用户未作答标准答案： can he15. To fully understand the writer, we must read not only between the lines, butsometimes ___ the lines.withinbeyondbesideamong本题分值： 4.0用户未作答标准答案： beyond16. A library with five thousand books ___ to the nation as a gift.has offeredare offeredis offeredhave offered本题分值： 4.0用户未作答标准答案：is offered17. Tom is going to see___.one of my father's friendsone of my father's friendone of my fathers' friendsa friend of my father本题分值： 4.0用户未作答标准答案：one of my father's friends18. He ___ for two year.has dieddiedis diedhas been died本题分值： 4.0用户未作答标准答案： has been died19. Jack ___ you more help, even though he was busy.might have givenmight givemay have givenmay give本题分值： 4.0用户未作答标准答案：might have given20. Some films have a misleading ___ on children.affecteffectimpactseffects本题分值： 4.0用户未作答标准答案： effect21. ___ good health, I hope to finish the work this year.givenrepresentedto giveto represent本题分值： 4.0用户未作答标准答案：given22. ___ the room, I found the computer ___.Entering, stealingEntering, stolenTo enter, stealTo enter, stealing本题分值： 4.0用户未作答标准答案： Entering, stolen1. From the passage we can know that I different cultures, different numbers havedifferent meanings.错对本题分值： 4.0用户未作答标准答案：对2. Light and bright colors make people happier but not more active.错对本题分值： 4.0用户未作答标准答案：错3. Fuzzy logic is not spiffy technology that can make almost any machine work better.错对本题分值： 4.0用户未作答标准答案：错1. The article is often omitted ___ of brevity.in the sake offor the sake ofby the sake ofto the sake of本题分值： 4.0用户未作答标准答案： for the sake of2. 'Dare you go home alone at night?' '___'.Yes, I doNo, I don'tYes, I dare toNo, I daren't本题分值： 4.0用户未作答标准答案： No, I daren't3. --- Would you like to try ___ time? --- Sure.twoseconda twoa second本题分值： 4.0用户未作答标准答案： a second4. The word 'fuzzy' ___ the fuzzy logic computer chip inside the oven.refer tois referring torefered torefers to本题分值： 4.0用户未作答标准答案： refers to5. He sent me an E-mail, ___ to get further information.hopedhopingto hopehope本题分值： 4.0用户未作答标准答案： hoping6. ___ dosbelief the director came to the spot in persononinforby本题分值： 4.0用户未作答标准答案： in7. .You to the meeting this afternoon if you have something importantto do.needn't to comedon't need comedon't need comingneedn't come本题分值： 4.0用户未作答标准答案：needn't come8. Two ___ three is five.plusminusmutiplydevide本题分值： 4.0用户未作答标准答案：plus9. A library with five thousand books ___ to the nation as a gift.has offeredare offeredis offeredhave offered本题分值： 4.0用户未作答标准答案：is offered10. There was ____time _____I hated t go to school.a ,thata ,whenthe ,thatthe ,when本题分值： 4.0用户未作答标准答案： a ,when11. When I said that some people are stupid I was not ___ you.referencereferreferringreferring to本题分值： 4.0用户未作答标准答案： referring to12. His suggestion is that we ___ them with their English.should helphelpedwould helpwill help本题分值： 4.0用户未作答标准答案：should help13. China is ___ old country with ___ long history.the, aa, anan, aan, the本题分值： 4.0用户未作答标准答案： an, a14. It took her two hours to bathe and ___ the baby.put ondress ondressstep in本题分值： 4.0用户未作答标准答案： dress15. ____ is covered with heavy snow.The earth's surfaceThe surface of earthThe surface earthThe earth surface本题分值： 4.0用户未作答标准答案：The earth's surface16. You should base your jugments ___ the facts.byinaton本题分值： 4.0用户未作答标准答案： on17. He was wearing dark glasses to protect his eyes ___ the sun.tobeyoundnearfrom本题分值： 4.0用户未作答标准答案： from18. The missing boys were last seen ___ near the river.playingto be playingplayto play本题分值： 4.0用户未作答标准答案：playing19. The farmers ___ happily when the news reporter arrived.were singingsanghave sunghave been singing本题分值： 4.0用户未作答标准答案：were singing20. Professor Lee visits China almost ___.twice a yeara twice yeara year twicea year two times本题分值： 4.0用户未作答标准答案：twice a year21. Light travels at about ___.300,000 kilometres a seconda second 300,000 kilometresevery second 300,000 kilometres300,000 kilometre every second本题分值： 4.0用户未作答标准答案：300,000 kilometres a second22. 'Will you go to see our teacher today?' 'No, and ___.'neither Jim willJim won't tooneighter will Jimso won't Jim本题分值： 4.0用户未作答标准答案： neighter will Jim1. The exact origin of superstitions about Friday the 13th can not be found out.错对本题分值： 4.0用户未作答标准答案：对2. Despite laws designed to keep cigarettes away from kids, 15 percent of U.S. highschool students and 34 percent fo middle school students use tobacco products, fovernment health officials say.错对本题分值： 4.0用户未作答标准答案：错3. Dansk Tipstjeneste questioned 800 people who had got the winning five numberson their lottery tickets and found that fewer of the lucky players experienced fear and loathing.错对本题分值： 4.0用户未作答标准答案：错1. ___ no money, I could not buy this coat.HaveHavingTo haveHave had本题分值： 4.0用户未作答标准答案： Having2. ___ your step，or you might fall into the water.SeeWatchMissLook at本题分值： 4.0用户未作答标准答案： Watch3. What a ___ watch it is!most beautifulmore beautifulthe most beautifulbeautiful本题分值： 4.0用户未作答标准答案： beautiful4. There was ___ in the meeting room.no oneanotheranyonethe one本题分值： 4.0用户未作答标准答案： anyone5. It is no ___ talking to him, because he will never change his mind.helpusetimeway本题分值： 4.0用户未作答标准答案： use6. I learn ___ my cost that a broken leg can be very painful.atontoin本题分值： 4.0用户未作答标准答案： to7. ___ magazines are on the bookshelf.ThereThisThatThose本题分值： 4.0用户未作答标准答案： Those8. This is not your radio, by ___.yours brotheryour brother'syou brother'syours brother's本题分值： 4.0用户未作答标准答案： your brother's9. ___ terms of art treasures, Dunhuang is worldwide famous.oninforby本题分值： 4.0用户未作答标准答案： in10. Some films have a misleading ___ on children.affecteffectimpactseffects本题分值： 4.0用户未作答标准答案： effect11. Why not do it ___ ? Let me give you a helping hand this time.second timea second timetwo timethe second time本题分值： 4.0用户未作答标准答案： a second time12. Tom is going to see___.one of my father's friendsone of my father's friendone of my fathers' friendsa friend of my father本题分值： 4.0用户未作答标准答案：one of my father's friends13. -- Would you be able to come to the party? -- I ___.am afraid notbelieve itdon’t expectdon’t hope so本题分值： 4.0用户未作答标准答案：am afraid not14. It was ___ that he had to ask for help.a so big worka so big jobsuch a big worka such big job本题分值： 4.0用户未作答标准答案： such a big work15. We know that English ___ all over the world.is spokenis speakingspeakshas spoken本题分值： 4.0用户未作答标准答案：is spoken16. Two ___ three is five.plusminusmutiplydevide本题分值： 4.0用户未作答标准答案：plus17. ___ dosbelief the director came to the spot in persononinforby本题分值： 4.0用户未作答标准答案： in18. The policeman told the boys ___ football in this park.not playingnot playnot to playto not play本题分值： 4.0用户未作答标准答案： not to play19. Afetr dinner he gave Mr. Richardson ________ride to ________Capital Airport.the, aa the/, a/, the本题分值： 4.0用户未作答标准答案： a the20. He is ___than ___.busier, usbusier, wemore busy,wemore busy, us本题分值： 4.0用户未作答标准答案： busier, we21. The article is often omitted ___ of brevity.in the sake offor the sake ofby the sake ofto the sake of本题分值： 4.0用户未作答标准答案： for the sake of22. His suggestion is that we ___ them with their English.should helphelpedwould helpwill help本题分值： 4.0用户未作答标准答案：should help1. Marriages are 'arranged' in the United States.错对本题分值： 4.0用户未作答标准答案：错2. The exact origin of superstitions about Friday the 13th can not be found out.错对本题分值： 4.0用户未作答标准答案：对3. In Britain, there is no infamous hooligans, so the police officers in Europe cando their job easily.错对本题分值： 4.0用户未作答标准答案：错1. If you make a cat angry, it may _________ you.tearbeatspitscratch本题分值： 4.0用户未作答标准答案： scratch2. It is rather cold again today, but tomorrow we expect the temperature to___________.liftriseraise本题分值： 4.0用户未作答标准答案： rise3. He was only in__ at the time.his 20'sthe 20'shis twentiesthe twenties本题分值： 4.0用户未作答标准答案： his twenties4. The Wilsons live in ______A-shaped house near the coast . It is _______17th centurycottage.the, /an, the/, thean ,a本题分值： 4.0用户未作答标准答案：an ,a5. No matter ___ he is able to come to the party or not, we will invite him.whenwhetherwhy本题分值： 4.0用户未作答标准答案： whether6. . He is somewhere _________ .in 50 years oldin his fiftiesin fifty yearsin the fifty本题分值： 4.0用户未作答标准答案： in his fifties7. Soon Tom was told ___ he had done was not important.whythathowwhat本题分值： 4.0用户未作答标准答案： what8. The influence of business in the U.S. is evidenced by the fact that ___________.most newspapers are run by big businesseseven arts and entertainment are regarded as businessAmericans of all professions know how to do businesseven public organizations concentrate on working for profits本题分值： 4.0用户未作答标准答案：even arts and entertainment are regarded as business9. She has _______ orange skirt． _______ skirt is nice．a，Thean，Thean，Athe，The本题分值： 4.0用户未作答标准答案：an，The10. _______ at his paper over the weekend, Neil didn’t finish it.As he worked hardHard as he workedHow he worked hardHow hard he worked本题分值： 4.0用户未作答标准答案：Hard as he worked11. How long ___ to finish the job?you'll take ityou'll takewill take youwill it take you本题分值： 4.0用户未作答标准答案： will it take you12. The stone was so heavy that it was difficult for the old man to ___ itreachliftrisetouch本题分值： 4.0用户未作答标准答案： lift13. ______ it or not ,his discovery has created a stir in scientific circles.BelieveTo believeBelievingBelieved本题分值： 4.0用户未作答标准答案：Believe14. ___ he got out of the car, he was given some flowers.UntilAs soon asBeforeIf本题分值： 4.0用户未作答标准答案： As soon as15. Can you ___ the difference ___ the two phrases?speak, fromsay, oftalk, betweentell, between本题分值： 4.0用户未作答标准答案： tell, between16. I made a call to my parents yesterday, to my disappointment, ___ of them answeredit.eithernoneneithernobody本题分值： 4.0用户未作答标准答案： neither17. According to the passage, immigrants choose to settle in the U.S., dreaming that_____________.they will make a fortune overnight therethey can be more competitive in businessthey can start profitable businesses therethey will find better chances of employment本题分值： 4.0用户未作答标准答案：they will find better chances of employment18. __of the population here are peasants.20 percents20 percentthe 20 percentthe 20 percents本题分值： 4.0用户未作答标准答案：20 percent19. ___ the clean water in this area is being used up.It is decidedIt is reportedIt is demanded thatIt is happened that本题分值： 4.0用户未作答标准答案： It is reported20. He has__ books in his study.several thousandssome thousands ofsome thousandssome thousand of本题分值： 4.0用户未作答标准答案：some thousands of21. There is no doubt ___ you will pass the exam this time. you have worked so hardin the past months.whetherthatifwhat本题分值： 4.0用户未作答标准答案： that22. Since the road is wet this morning，last night ___.it must be rainingit must rainit must have rainedit must have been rained本题分值： 4.0用户未作答标准答案： it must have rained1. The non-fuzzy computer would not need thousands of lines of programming.错对本题分值： 4.0用户未作答标准答案：错2. The statistics show the number of teens using tobacco has started to decline fromrecord highs in 1997, so the mumber will stop distrubing.错对本题分值： 4.0用户未作答标准答案：错3. Sir William Osler thought that only with a hobby, man can be really happy andsafe.错对本题分值： 4.0用户未作答标准答案：对1. All the___in the hospital got a rise yesterday.women doctorswoman doctorswomen doctorwoman doctor本题分值： 4.0用户未作答标准答案：women doctors2. Tom owns ______larger collection of ______books than any other student in ourclass.the ,/a,/a ,the/, the本题分值： 4.0用户未作答标准答案：a,/3. The Wilsons live in ______A-shaped house near the coast . It is _______17th centurycottage.the, /an, the/, thean ,a本题分值： 4.0用户未作答标准答案：an ,a4. --- Where can we have supper tonight? --- Oh, if you don’t mind, we can do itat ___ of the restaurants.alleveryanyeach本题分值： 4.0用户未作答标准答案： any5. All of us think ___ is quite interesting.the fortieth partthe part fortiethforty partpart forty本题分值： 4.0用户未作答标准答案：the fortieth part6. How long ___ to finish the job?you'll take ityou'll takewill take youwill it take you本题分值： 4.0用户未作答标准答案： will it take you7. He was only in__ at the time.his 20'sthe 20'shis twentiesthe twenties本题分值： 4.0用户未作答标准答案： his twenties8. __of the population here are peasants.20 percents20 percentthe 20 percentthe 20 percents本题分值： 4.0用户未作答标准答案：20 percent9. Seventy percent_____illiterate in that area.isareis to becan have本题分值： 4.0用户未作答标准答案： are10. She has _______ orange skirt． _______ skirt is nice．a，Thean，Thean，Athe，The本题分值： 4.0用户未作答标准答案：an，The11. Mr Stone ___ ;aughs or smiles.dpesn't alwaysisn't alwaysdon't alwaysnever本题分值： 4.0用户未作答标准答案： never12. A bullet hit the solider and he was wounded in ____leg.a.onethehis本题分值： 4.0用户未作答标准答案：the13. Last night, before the exam, I went over the lessons_______I couldn’t keep myeyes open to stay awake any longer．beforeuntilunlesswhen本题分值： 4.0用户未作答标准答案：until14. When she was in _________ , she got married.her twentiethher twentiesthe twentiesthe twentieth本题分值： 4.0用户未作答标准答案：her twenties15. It is rather cold again today, but tomorrow we expect the temperature to___________.liftrisegrowraise本题分值： 4.0用户未作答标准答案： rise16. If you make a cat angry, it may _________ you.tearbeatspitscratch本题分值： 4.0用户未作答标准答案： scratch17. This novel is worthy of____.readingreadhaving readbeing read本题分值： 4.0用户未作答标准答案： being read18. Birds will come back again and again to the ____ spot for food and water.forbiddenfleshgivenfresh本题分值： 4.0用户未作答标准答案： given19. ___ 8 years since I left my hometown.It wasIt isThere isThere was本题分值： 4.0用户未作答标准答案： It is20. In another year or so, you ___ all about it.forgetwould forgethave forgottenwill have forgotten本题分值： 4.0用户未作答标准答案： will have forgotten21. The stone was so heavy that it was difficult for the old man to ___ itreachliftrisetouch本题分值： 4.0用户未作答标准答案： lift22. He didn’t go to France，the doctor suggested that he ___there.won‘t gonot gonot to godidn‘t go本题分值： 4.0用户未作答标准答案： not go1. From the passage we can ge the idea that the fuzzy computer would need only afew dozen lines of programming to do its job.错对本题分值： 4.0用户未作答标准答案：对2. In the United States have announced plans to dismiss almost eighty thousandworkers, however, the businesses dependent on the airline industry have not been harmed.错对本题分值： 4.0用户未作答标准答案：错3. More than a quarter of the winners were so scared of facing the disapproval ofthe greed of others that they seldom told a single other person about their windfall.错对本题分值： 4.0用户未作答标准答案：对1. You can find him in__ .Room 201201 Roomthe Room 20the 201 Room本题分值： 4.0用户未作答标准答案：Room 2012. Two ___ died of cold in that country last winter.hundreds old peoplehundreds of old peoplehundred old peoplehundred old peoples本题分值： 4.0用户未作答标准答案： hundred old people3. ___ the clean water in this area is being used up.It is decidedIt is reportedIt is demanded thatIt is happened that本题分值： 4.0用户未作答标准答案： It is reported4. Tom will come to see us ___ he is free tomorrow.ifuntilwhileas本题分值： 4.0用户未作答标准答案：if5. I made a call to my parents yesterday, to my disappointment, ___ of them answeredit.eithernoneneithernobody本题分值： 4.0用户未作答标准答案： neither6. ____________ lunch, the finance committee resumed the meeting.Having to eatHave to eatHaving eatenHaving eat本题分值： 4.0用户未作答标准答案：Having eaten7. The first, second and the third prize went to Kate, Bob and George _____________.differentlypartiallyrespectivelyequally本题分值： 4.0用户未作答标准答案： respectively8. Those potatoes are for ___.we threethree usthree weus three本题分值： 4.0用户未作答标准答案： us three9. She can speak Japanese better than ___ else.the one.no oneanyoneanother本题分值： 4.0用户未作答标准答案： anyone10. If only the committee ______ the regulations and put them into effect as soonas possible.approvewill approvecan approvewould approve本题分值： 4.0用户未作答标准答案：would approve11. The women liked dancing ___she was a little girl.whileafterwhenuntil本题分值： 4.0用户未作答标准答案： when12. I failed in the last exam and only then ___ the importance of studies.I realizedI had realizedhad I realizeddid I realize本题分值： 4.0用户未作答标准答案： did I realize13. There is no doubt ___ you will pass the exam this time. you have worked so hardin the past months.whetherthatifwhat本题分值： 4.0用户未作答标准答案： that14. Thank you for your __________ attention to the matter.seasonablepromptgreateager本题分值： 4.0用户未作答标准答案：prompt15. His answer sounds ___.correctlycorrectnesscorrectcorrectiong本题分值： 4.0用户未作答标准答案： correct16. A few years later，i found my hometown completely _______.changedchangingto be changedto change本题分值： 4.0用户未作答标准答案：changed17. No matter ___ he is able to come to the party or not, we will invite him.whenwhetherhowwhy本题分值： 4.0用户未作答标准答案： whether18. He didn’t go to France，the doctor suggested that he ___there.won‘t gonot gonot to godidn‘t go本题分值： 4.0用户未作答标准答案： not go19. ___ all day, he was terribly hungry.Having not eaten.Eating nothingNot having eatenNothing having eaten本题分值： 4.0用户未作答标准答案： Not having eaten20. All the___in the hospital got a rise yesterday.women doctorswoman doctorswomen doctorwoman doctor本题分值： 4.0用户未作答标准答案：women doctors21. “E” is the _________ letter of the English alphabet.fivefirstfifthsecond本题分值： 4.0用户未作答标准答案： fifth22. No one here believes the reason ___ he gave for his lateness.thatwhyfor whichwhat t`本题分值： 4.0用户未作答标准答案：that1. Brithish football is the most successful of all European countries, although itis not necessarily the best in the world.错对本题分值： 4.0用户未作答标准答案：对2. People take up hobbies not because these activities offer enjoyment, friendship,knowledge, or relaxation.错对本题分值： 4.0用户未作答标准答案：错3. The material of jeans comes from the south of France which is the only palce hasthis material.错对本题分值： 4.0用户未作答标准答案：对1. The murder was brought in, with his hands ___ behind his back。

免费在线作业答案兰州大学《大学英语（3）》15秋在线作业1满分答案

免费在线作业答案兰州大学《大学英语（3）》15秋在线作业1满分答案兰州大学《大学英语(3)》15秋在线作业1满分答案兰州大学《大学英语(3)》15秋在线作业1满分答案一、单选题（共 20 道试题，共 100 分。

）1. Why do the two “explanations (Para. 3, Line 1) worry Asian-Americans?A. They are afraid that they would again be isolated from American society in generalB. People would think that Asian students rely on their parents for success.C. Asian-Americans would be a threat to other minorities.D. American academic achievements have take正确答案：A2. It is reported that ______ adopted children want to know who their natural parents are.新视野大学英语1答案A. the mostB. most ofC. mostD. the most of正确答案：C3. The first, second and the third prize went to Kate, Bob and George _____________.A. differentlyB. partiallyC. respectivelyD. equally正确答案：C4. _________ , Edison began experimenting with something which he had made himself.A. OnAugust12,1877B. InAugust12,1877C. At12August,1877D. In1877,August,12正确答案：A5. —Does Jim have _______ ruler？—Yes，he has _______ ．A. an someB.a oneC.a ／D.any one正确答案：B6. Flight nineteen from New York and Washington is now arriving at _________ .A. GateTwoB. thegatetwoC. thetwogateD. secondgate正确答案：A7. He you more help, even though he was very busy.A. mighthavegivenB. mightgiveC. mayhavegivenD. maygive正确答案：D8. I spent several years in France, ______ I never learnt to speak French．A. forB. yetC. orD. Where正确答案：B9. __________ is the richest man in this town?A. Whom do you thinkB. Who do you thinkC. Do you think whoD. Who you think正确答案：B10. If only the committee ______ the regulations and put them into effect as soon as possible.A. approveB. will approveC. can approveD. would approve正确答案：D11. According to the author, a child develops better if ________A. he has plenty of time reading and studyingB. he is free to interact with his working parentsC. he is left to play with his peers in his own wayD. he has more time participating in school activities正确答案：C12. —I really don’t know how to thank you enough．—．A. NoproblemB. ThinknothingofitC. WithpleasureD. Gladtohearthat正确答案：B13. —What a great cook your sister is! —Yeah! We ______ never have enough of her cookies．A. mayB. mustC. shouldD. Can正确答案：D14. He occupies a ____________ place in English literature.A. most uniqueB. uniqueC. least uniqueD. very unique正确答案：B15. ___________, a mechanic and farmer, Edward received an interest in practical science that stayed with him throughout hislife.A. His fatherB. From his fatherC. It was his fatherD. His father was正确答案：B16. _____ before we depart the day after tomorrow, we should have a wonderful dinner party.A. Had they arrivedB. Would they arriveC. Were they arrivingD. Were they to arrive正确答案：D17. This is the _________book I have read.A. ninethB. nineteenC. ninthD. nintieth正确答案：C18. Convenience foods which are already prepared for cooking are ______ in grocery storesA. readyB. approachableC. probableD. available正确答案：D19. Maybe you have travelled to many parts of the world, but nowhere else _____ striking attractions．A. youcanseesomanyB. canyouseesuchmanyC. youcanseesuchmanyD. canyouseemanysuch正确答案：D20. When I caught him ______ I stopped buying things there and started dealing with another shop.A. cheatingB. cheatC. to cheatD. to be cheating正确答案：A-END-。

[答案][兰州大学]2020秋《大学英语(3)》平时作业2-1

1.You can find him in __.[答案：A]A.Room 201B.201 RoomC.the Room 201D.the 201 Room2.——You didn’t invite Mary to the ball? ——____ her, too?[答案：B]A.Must I inviteB.Should I have invitedC.Must I have invitedD.Should I invite3.They sold __ boxes of such sweets last week.[答案：A]A.four dozenB.fourC.four dozen of4.What are the major factors that determine the success of Asian-Americans?[答案：A]A.A solid foundation in basic mathematics and Asian culture.B.Hard work and intelligence.C.Hard help and a limited knowledge of English.n culture and the American educational system.5.I asked the saleswoman to __________ the price, but she firmly refused to. Faced with this I decided to turn to the manager.[答案：C]A.bring downy downC.put downD.draw down6.He occupies a ____________ place in English literature.[答案：B]A.most uniqueB.uniqueC.least uniqueD.very unique7.The police investigated the ____ about the bank robbery.[答案：B]A.stander-byB.standers-byC.stander-bysD.standers-by8.In the last sentence of the second paragraph, the pronoun “it” refers to “_____”[答案：A]A.fitting our actions to those of other people appropriatelyB.identification of other people’s statusesC.selecting one’s own statusesD.selecting one’s own statuses9.There are_________ of visitors to Kunming.[答案：A]A.tens of thousands 2000B.about ten of thousandsC.about three thousandsD.about three thousand10.-When did you arrive in Beijing? -__________.[答案：C]A.nobody informs me.B.I will see you later.C.2 hours laterD.No, I don’t think I can get soon.11.A bullet hit the solider and he was wounded in ____ leg.[答案：C]A.aB.oneC.theD.his12.When you come here for your holiday next time, don’t go to _____ hotel; I can find you ______ bed in my flat.[答案：A]A.the,aB.the,/C.a,theD.a,/13.The whole family died of _________ during the flood in June.[答案：D]A.droughtB.thirstC.disasterD.famine14.We can’t see _______ sun at _______ night[答案：B]B.the /C.a /D./ /15.He has __ books in his study.[答案：B]A.several thousandsB.some thousands ofC.some thousandsD.some thousand of16.The sign reads “in ease of ___ fire, break the glass and push _____ red button”[答案：B]A./,aB./,theC.the,theD.a,a17.Sometimes I can’t help wondering what’s the matter with Tom. I can’t stand it that he often _____ me and talks with the other students around him.[答案：D]A.upsetsB.recognizesC.concernsD.Ignores18.____ the search engine just gave me some brief introductions rather than the whole content of the book to read.[答案：D]B.MostlyC.FunnilyD.Disappointingly19.The students must finish the test in ____.[答案：C]A.three quarters of an hour timeB.three quarter’s of an hour timeC.three quarters of an hour’s timeD.three quarters’ of an hour’s time20.We can infer from the passage that ________.[答案：B]A.most parents believe reading to be beneficial to childrenB.efforts to get kids interested in reading have been fruitfulC.most children will turn to reading with TV sets switched offD.extracurricular activities promote children’s intelligence。

兰州大学20春学期《大学英语(三)》平时作业3答案42887

7.-How was your trip to London, Maggie?-_____________ A.Oh, wonderful indeed. B.I went there alone. C.The guide showed me the way.
D.By plane. 答案：A
8.I hope you are not getting ______ listening to me. A.bored B.bore C.boring D.boredom 答案：A
5.I was very ______ to the librarian for helping me find the book I want. A.grateful B.helpful C.skillful D.hopeful 答案：A
6.A shower of rain ________ our day's outing. A.damaged B.spoiled C.discouraged D.wasted 答案：B
3.It is nearly half a year since we ________ to prepare for the exhibition. A.began B.begin C.have begun D.will begin 答案：A
4.One of my foreign friends is looking forward to ________ my country. A.visit B.having visited C.visiting D.be visiting 答案：C
11.He wants to tell him that the camera ______ him. A.is belonged to B.belongs to C.was belonged to D.belonged to 答案：B

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案4

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案（图片大小可自由调整）第1卷一.综合考核(共15题)1.It is rather cold again today, but tomorrow we expect the temperature to ____.A.liftB.riseC.growD.raise2.Mrs, Taylor has ____ 9-year-old daughter who has ____ gift for painting she has won two national prizes.A.a, aB.an, theC.an, aD.the3._________, Edison began experimenting with something which he had made himself.A.On August 12, 1877B.In August 12, 1877C.At 12 August, 1877D.In 1877, August, 124.We cant see ____ sun at ____ nightA.the theB.the /C.a /D./ /5.In the last sentence of the second paragraph, the pronoun “it” refers to “_____”A.fitting our actions to those of other people appropriatelyB.identification of other people’s statusesC.selecting one’s own statusesD.selecting one’s own statuses6.Physics is _______ to the science which was called natural philosophy in history.A.alikeB.equivalentC.likelyD.uniform7.Some old people don't like pop songs because they can't ____ so much noise.A.concernB.tolerateC.undertakeD.Ignore8.Mr. Morgan can be very sad ______, though in public he is extremely cheerful.A.by himselfB.in personC.in privateD.as inpidual9.Tom has ____ books.A.two dozensB.dozen ofC.dozens ofD.two dozens of10.While he was investigating ways to improve the telescope Newton made _______ discovery which completely changed ____ man's understanding of color.A.a, /B.a, theC./, theD.the, a11.That was _______ matter that I had no choice but to talk it over with my parents.A.a such seriousB.a so seriousC.such serious aD.so serious a12.There are_________ of visitors to Kunming.A.tens of thousands 2000B.about ten of thousandsC.about three thousandsD.about three thousand13.He cut the cake__.A.in halvesB.in halfC.into halvesD.into half14.They sold ____ boxes of such sweets last week.A.four dozenB.fourC.four dozen of15.His article is better than ____ in the class.A.any ones elseB.any one elseC.any ones else'sD.any one else's第2卷一.综合考核(共15题)1.____ lunch, the finance committee resumed the meeting.A.Having to eatB.Have to eatC.Having eatenD.Having eat2.-Does Jim have ____ ruler? -Yes, he has ____.A.an someB.a oneC.a /D.any one3.All the ___ in the hospital got a rise yesterday.A.women doctorsB.woman doctorsC.women doctorD.woman doctor4.The boys spent the whole morning _______ possible answers to the question.A.discussB.and discussingC.discussingD.and discussed5.____ is covered with heavy snow.A.The earths surfaceB.The surface of earthC.The surface earthD.The earth surface6.My brother changed his major at college several times and he never ________ any one very long.A.stuck toB.kept backC.let aloneD.made way7.The police investigated the____ about the bank robbery.A.stander-byB.standers-byC.stander-bysD.standers-by8.After ten years, all those youngsters became ___.A.growns-upB.growns-upC.grown-upD.grown-ups9.If there is no one _______ him with the preparation, he will have to put off the meeting.A.helpB.to helpC.helpsD.helped10.In the last sentence of the second paragraph, the pronoun “it” refers to _____.A.fitting our actions to those of other people appropriatelyB.identification of other people's statusesC.selecting one's own statusesD.selecting one's own statuses11.There are _________ of visitors to Kunming.A.tens of thousands 2000B.about ten of thousandsC.about three thousandsD.about three thousand12.You can find him in __.A.Room 201B.201 RoomC.the Room 201D.the 201 Room13.Convenience foods which are already prepared for cooking are ____ in grocery stores.A.readyB.approachableC.probableD.available14.She was scared to ____ death when she heard the news.A.as much asB.as well asC.as good asD.as many as15.Sixty-four ____ eight is eight.A.pide byB.pidedC.piding byD.pided by第1卷参考答案一.综合考核1.参考答案：B2.参考答案：C3.参考答案：A4.参考答案：B5.参考答案：A6.参考答案：B7.参考答案：B 8.参考答案：C9.参考答案：C10.参考答案：A11.参考答案：D12.参考答案：A13.参考答案：B14.参考答案：A15.参考答案：D第2卷参考答案一.综合考核1.参考答案：C2.参考答案：B3.参考答案：A4.参考答案：C5.参考答案：A6.参考答案：A7.参考答案：B8.参考答案：D9.参考答案：B10.参考答案：A11.参考答案：A12.参考答案：A13.参考答案：D14.参考答案：C15.参考答案：D。

兰州大学20春学期《大学英语(三)》平时作业1答案42885

14.Your new job provides you ______ a lot of chances to travel around the world. A.for B.with C.over
D.to 答案：B
15.Is this house the one _______ you once lived in your childhood? A.where B.when C.what D.which 答案：A
---- ____________________.
3.She was so ________ in her job that she didn't hear anybody knocking at the door. A.attracted B.absorbed C.drawn D.focused 答案：B
16.-I didn't know my identity card was needed, sir.-_____________ A.That's sorry. B.I' don't believe you. C.Sorry, but that's no excuse. D.Why do you say that? 答案：C
D.He's drunk 答案：B
8.The old lady is often seen ______ out of the house and sit in the garden. e B.to come C.have come D.came 答案：B
9.The price of the shoes is ______ during the Spring Festival. A.low B.expensive C.small D.cheap 答案：A

[兰州大学]《大学英语(3)》20春平时作业2-0001

13.The whole family died of _________ during the flood in June. A.drought B.thirst C.disaster D.famine 正确答案：D
14.We cant see _______ sun at _______ night A.the the B.the
C.a D. 正确答案：B
15.He has__ books in his study. A.severalthousands B.somethousandsof C.somethousands D.somethousandof 正确答案：B
16.The sign reads “in ease of___fire ,break the glass and push _____red button” A./,a B./,the C.the,the D.a,a 正确答案：B
11.A bullet hit the solider and he was wounded in ____leg. A.a B..one C.the D.his 正确答案：C
12.When you come here for your holiday next time, dont go to _____hotel ; I can find you ______bed in my flat. A.the,a B..the,/ C.a,the D.a,/ 正确答案：A
5.I asked the saleswoman to __________ the price, but she firmly refused to. Faced with this I decided to turn to the manager. A.bringdown ydown C.putdown D.drawdown 正确答案：C

兰州大学英语第三学期答案

兰州⼤学英语第三学期答案1. Why not do it ___ ? Let me give you a helping hand this time. second timea second timetwo timethe second time本题分值： 4.0⽤户得分： 4.0⽤户解答： a second time标准答案： a second time2. Hurry up! There is ___ time left.a fewfewa littlelittle本题分值： 4.0⽤户得分： 0.0⽤户解答： a few标准答案： little3. It is no ___ talking to him, because he will never change his mind. helpusetimeway本题分值： 4.0⽤户得分： 4.0⽤户解答： use标准答案： use4. The kind old man wsa always ready ___ people I trouble. helpedhelpingto helphelp⽤户解答： to help标准答案： to help5. ___ dosbelief the director came to the spot in persononinforby本题分值： 4.0⽤户得分： 4.0⽤户解答： in标准答案： in6. The word 'fuzzy' ___ the fuzzy logic computer chip inside the oven.refer tois referring torefered torefers to本题分值： 4.0⽤户得分： 0.0⽤户解答： refer to标准答案： refers to7. Two ___ three is five.plusminusmutiplydevide本题分值： 4.0⽤户得分： 4.0⽤户解答： plus标准答案： plus8. Afetr dinner he gave Mr. Richardson ________ride to ________Capital Airport. the, aa the/, a⽤户得分： 4.0⽤户解答： a the标准答案： a the9. The doctor told him to carry ___ with the treatment.inforonby本题分值： 4.0⽤户得分： 4.0标准答案： on10. ___ terms of art treasures, Dunhuang is worldwide famous. oninforby本题分值： 4.0⽤户得分： 4.0⽤户解答： in标准答案： in11. The policeman told the boys ___ football in this park.not playingnot playnot to playto not play本题分值： 4.0⽤户得分： 4.0⽤户解答： not to play标准答案： not to play12. This is not your radio, by ___.yours brotheryour brother'syou brother's⽤户解答： your brother's标准答案： your brother's13. If I were to do it, I ___ it in a different way. shall dowill dowould dohave done本题分值： 4.0⽤户得分： 4.0⽤户解答： would do标准答案： would do14. ___ magazines are on the bookshelf. ThereThisThatThose本题分值： 4.0⽤户得分： 4.0⽤户解答： Those标准答案： Those15. ___ no money, I could not buy this coat. HaveHavingTo haveHave had本题分值： 4.0⽤户得分： 4.0⽤户解答： Having标准答案： Having16. Light travels at about ___.300,000 kilometres a seconda second 300,000 kilometresevery second 300,000 kilometres⽤户解答： 300,000 kilometres a second标准答案： 300,000 kilometres a second17. The Changjiang River is ___ river in China.very laonglongerlongestthe longest本题分值： 4.0⽤户得分： 4.0⽤户解答： the longest标准答案： the longest18. I know I ___ have been there, but I ___ not find the time. should, wouldshould, couldmight, couldcould, could本题分值： 4.0⽤户得分： 4.0⽤户解答： should, could标准答案： should, could19. The price of such material was reduced__ .by 18 percentto 18 percentat 18 percentfor 18 percent本题分值： 4.0⽤户得分： 4.0⽤户解答： by 18 percent标准答案： by 18 percent20. Some films have a misleading ___ on children.affecteffect⽤户得分： 4.0⽤户解答： effect标准答案： effect21. To fully understand the writer, we must read not only between the lines, but sometimes ___ the lines.withinbeyondbesideamong本题分值： 4.0⽤户得分： 4.0⽤户解答： beyond标准答案： beyond22. Jack ___ you more help, even though he was busy.might have givenmight givemay have givenmay give本题分值： 4.0⽤户得分： 4.0⽤户解答： might have given标准答案： might have given⼆判断题1. Dansk Tipstjeneste questioned 800 people who had got the winning five numbers on their lottery tickets and found that fewer of the lucky players experienced fear and loathing.错对本题分值： 4.0⽤户得分： 4.0⽤户解答：错标准答案：错2. It has beeb found that hobbies are valuable in helping patients recover from physical or mental illness.错对⽤户解答：对标准答案：对3. Marriages are 'arranged' in the United States.错对本题分值： 4.0⽤户得分： 4.0⽤户解答：错标准答案：错1. Birds will come back again and again to the ____ spot for food and water. forbiddenfleshgivenfresh本题分值： 4.0⽤户得分： 4.0⽤户解答： given标准答案： given2. Nobody can do two things well __ .at one timeat onceone timeonce本题分值： 4.0⽤户得分： 4.0⽤户解答： at once标准答案： at once3. Mr Stone ___ ;aughs or smiles.dpesn't alwaysisn't alwaysdon't alwaysnever本题分值： 4.0标准答案： never4. Tom has spent a large _________ of money on his new house.piecenumberamountdeal本题分值： 4.0⽤户得分： 4.0⽤户解答： amount标准答案： amount5. All of us think ___ is quite interesting.the fortieth partthe part fortiethforty partpart forty本题分值： 4.0⽤户得分： 4.0⽤户解答： the fortieth part标准答案： the fortieth part6. According to the passage, immigrants choose to settle in the U.S., dreaming that _____________. they will make a fortune overnight therethey can be more competitive in businessthey can start profitable businesses therethey will find better chances of employment本题分值： 4.0⽤户得分： 4.0⽤户解答： they will find better chances of employment标准答案： they will find better chances of employment7. . He is somewhere _________ .in 50 years oldin his fiftiesin fifty yearsin the fifty⽤户解答： in his fifties标准答案： in his fifties8. ___ gives people more knowledge of the society than literature.AnythingNothingSomethingEverything本题分值： 4.0⽤户得分： 4.0⽤户解答： Nothing标准答案： Nothing9. Two ___ died of cold in that country last winter.hundreds old peoplehundreds of old peoplehundred old peoplehundred old peoples本题分值： 4.0⽤户得分： 4.0⽤户解答： hundred old people标准答案： hundred old people10. A bullet hit the solider and he was wounded in ____leg.a.onethehis本题分值： 4.0⽤户得分： 4.0⽤户解答： the标准答案： the11. It is rather cold again today, but tomorrow we expect the temperature to ___________. liftrisegrow⽤户得分： 4.0⽤户解答： rise标准答案： rise12. “E” is the _________ letter of the English alphabet.fivefirstfifthsecond本题分值： 4.0⽤户得分： 4.0⽤户解答： fifth标准答案： fifth13. ___ 8 years since I left my hometown.It wasIt isThere isThere was本题分值： 4.0⽤户得分： 4.0⽤户解答： It is标准答案： It is14. The first, second and the third prize went to Kate, Bob and George _____________.differentlypartiallyrespectivelyequally本题分值： 4.0⽤户得分： 4.0⽤户解答： respectively标准答案： respectively15. It is useful to be able to predict the extent ______ which a price change will affect supply and demand. fromto本题分值： 4.0⽤户得分： 4.0⽤户解答： to标准答案： to16. His trousers___in his suitcase.is always keptare kept alwaysare always kepthave always been本题分值： 4.0⽤户得分： 0.0⽤户解答： are kept always标准答案： are always kept17. I can still remember that it is since the 1990’s, _____ we began to use cell phones,_______ the number of mobile users has greatly increased．while,whenwhen,whatbefore, thatwhen,that本题分值： 4.0⽤户得分： 4.0⽤户解答： when,that标准答案： when,that18. You may not go out ___ your work is done.beforeuntilwhereas本题分值： 4.0⽤户得分： 4.0⽤户解答： until标准答案： until19. ___ turn color and fall to the ground is a sign of winter.That leavesLeavesWhen leavesIf leaves本题分值： 4.0⽤户得分： 4.0⽤户解答： That leaves标准答案： That leaves20. It looks ____ it’s going to rain.thatasas iflike that本题分值： 4.0⽤户得分： 4.0⽤户解答：标准答案：21. I failed in the last exam and only then ___ the importance of studies.I realizedI had realizedhad I realizeddid I realize本题分值： 4.0⽤户得分： 4.0⽤户解答： did I realize标准答案： did I realize22. Only last month I called at .my unclemy uncle'smy unclesmine uncle本题分值： 4.0⽤户得分： 4.0⽤户解答： my uncle's标准答案： my uncle's⼆判断题1. The non-fuzzy computer would not need thousands of lines of programming.错对本题分值： 4.0⽤户得分： 0.0⽤户解答：对标准答案：错2. In the United States have announced plans to dismiss almost eighty thousand workers, however, the businesses dependent on the airline industry have not been harmed.错对本题分值： 4.0⽤户得分： 0.0⽤户解答：对标准答案：错3. From the gas stations and convenience stores, most middle school and high school smokers get their tobacco.错对本题分值： 4.0⽤户得分： 4.0⽤户解答：对标准答案：对1. Few Asian-American students major in human sciences mainly because ___________their English is not good enough.they are afraid they might meet with unfair judgment in these areasthere is a wide difference between Asian and Western culturesthey know little about American culture and society本题分值： 4.0⽤户得分： 4.0⽤户解答： they are afraid they might meet with unfair judgment in these areas标准答案： they are afraid they might meet with unfair judgment in these areas2. Tied __________ she was, I had to disturb her.thoughbecausealthoughas本题分值： 4.0⽤户得分： 4.0⽤户解答： as标准答案： as3. —I can never forget the day ___ we spent together in the summer camp．—Well, especially the day _______it suddenly began to rain in the middle of the night．when,whenwhich,whenon which,when本题分值： 4.0⽤户得分： 4.0⽤户解答： which,when标准答案： which,when4. It took me __ days to finish drawing a beautiful horse.a half dozenhalf a dozenhaft dozenshalf dozen本题分值： 4.0⽤户得分： 4.0⽤户解答： half a dozen标准答案： half a dozen5. He went to the market and bought __eggs and some meat.three dozen ofthree dozenthree dozensthree dozens of本题分值： 4.0⽤户得分： 4.0⽤户解答： three dozen标准答案： three dozen6. Mrs ,Taylor has ___9-year-old daughter who has _____gift for painting –she has won two national prizes.a, a。

兰大《大学英语(3)》21春平时作业1【标准答案】

《大学英语（3）》21春平时作业1试卷总分:100 得分:100一、单选题 (共 25 道试题,共 100 分)1.I asked the saleswoman to __________ the price, but she firmly refused to. Faced with this I decided to turn to the manager.A.bringdownydownC.putdownD.drawdown答案:C2.Will you see to ____ that my birds are looked after well while I'm away?A.themB.yourselfC.itD.me答案:C3.Two __died of cold last winter.A.hundredsoldpeopleB.hundredoldpeopleC.hundredsoldpeoplesD.hundredoldpeoples答案:B4.If you buy more than ten, they will knock20pence off________.A.apriceB.priceC.thepriceD.prices答案:C5.This question is too difficult,and everyone is ____ to solve it.A.athiswits'endB.atone'switsendC.inhiswits'endD.outofhiswitsend答案:A6.It is rather cold again today, but tomorrow we expect the temperature to ___________.A.liftB.riseC.grow答案:B7.The membership of the society began to _____________.A.drop offe offC.pull offD.let off答案:A8.The boys spent the whole morning _______ possible answers to the question.A.discussB.anddiscussingC.discussingD.anddiscussed答案:C9.Convenience foods which are already prepared for cooking are ______ in grocery storesA.readyB.approachableC.probableD.available答案:D10.His trousers___in his suitcase.A.isalwayskeptB.arekeptalwaysC.arealwayskeptD.havealwaysbeen答案:C11.____ is covered with heavy snow.A.Theearth'ssurfaceB.ThesurfaceofearthC.ThesurfaceearthD.Theearthsurface答案:A12.____________ lunch, the finance committee resumed the meeting.A.HavingtoeatB.HavetoeatC.HavingeatenD.Havingeat13.They passed our school _______ day before yesterday．A.anB.oneC.aD.the答案:D14.. Mr. Morgan can be very sad ______ , though in public he is extremely cheerful.A.by himselfB.in personC.in privateD.as individual答案:C15.It is often said that ____teachers have _______very easy life.A./,/B./,aC.the,/D.the,a答案:B16.She used to have three _____.A.boysfriendsB.boysfriendC.boyfriendsD.boyfriend答案:C17.Students or teachers can participate in excursions to lovely beaches around the island at regular _______.A.gapsB.ratesC.lengthsD.intervals答案:D18.This is _______ apple．It's _______ big apple．A.an aB.a theC.a anD.an the答案:A19.The government gave us permission to __________ with our building plans.A.go afterB.go aheadC.go forD.go off答案:B20.The strong storm did a lot of damage to the coastal villages: several fishing boats were ____ and many houses collapsed.A.wreckedB.spoiledC.tornD.injured答案:A21.Sixty-four_________ eight is eight.A.dividebyB.dividedC.dividingbyD.dividedby答案:D22.His article is better than____in the class.A.anyone'selseB.anyoneelseC.anyone'selse'sD.anyoneelse's答案:D23.Most children are brought up in the ____________ in big cities.A.nurseryB.parkC.gardenD.nurse答案:A24.Is he _______ American boy ？A.anB.aC.oneD.／答案:A25.The science of medicine, __________________ progress has been very rapid lately, is perhaps the most important of all the sciences.A.inwhichB.towhichC.withwhichD.which答案:A。

兰大《大学英语(3)》18春平时作业2

------------------------------------------------------------------------------------------------------------------------------ (单选题) 1: Will you see to ____ that my birds are looked after well while I'm away? A: themB: yourselfC: itD: me正确答案:(单选题) 2: - Where is Miss Smith? - _________A: She's from England.B: She's at home.C: She's not back.D: She's very well.正确答案:(单选题) 3: He went to the market and bought __eggs and some meat.A: threedozenofB: threedozenC: threedozensD: threedozensof正确答案:(单选题) 4: I really appreciate __________ to help me, but I am sure that I will be able to manage by myself.A: youtoofferB: yourofferingC: thatyouofferD: thatyouareoffering正确答案:(单选题) 5: When did you arrive in Beijing? - __________.A: nobody informs me.B: I will see you later.C: 2 hours laterD: No, I don't think I can get soon.正确答案:(单选题) 6: Tom has_________ books.A: twodozensB: dozenofC: dozensofD: twodozensof正确答案:(单选题) 7: - This is a challenging job. Who wants it? - _________A: I'll take it.B: It's a good idea.C: You bet!D: No sweat!正确答案:------------------------------------------------------------------------------------------------------------------------------ (单选题) 8: The Wilsons live in ______A-shaped house near the coast . It is _______17th century cottage.A: the,/B: an,theC: /,theD: an,a正确答案:(单选题) 9: _________ of the room _________ empty.A: Two-third,areB: Two-thirds,areC: Two-third,isD: Two-thirds,is正确答案:(单选题) 10: If you go by ______train ,you can have quite a comfortable journey ,but make sure you get _____fast one.A: /,/B: ./,aC: the,aD: /,/正确答案:(单选题) 11: If you buy more than ten, they will knock20pence off________.A: apriceB: priceC: thepriceD: prices正确答案:(单选题) 12: ______ more attention,the trees could have grown better.A: TogiveB: HavinggivenC: GivenD: Giving正确答案:(单选题) 13: ．—How many books do you have？—I have _______ book．That's _______ English bookA: a anB: a oneC: one anD: one one正确答案:(单选题) 14: Two __died of cold last winter.A: hundredsoldpeopleB: hundredoldpeopleC: hundredsoldpeoples------------------------------------------------------------------------------------------------------------------------------ D: hundredoldpeoples正确答案:(单选题) 15: He send his ___________ wishes for your future happiness.A: honestB: sincereC: manyD: hopeful正确答案:(单选题) 16: The doctor checked up both Wang's ____hearts.A: father-in-law'sandhisbrother-in-law'sB: father's-in-lawandhisbrother's-in-lawC: father-in-lawandhisbrother-in-lawD: father-in-laws'andhisbrother-in-laws'正确答案:(单选题) 17: Please be careful when you are drinking coffee in case you ______ the new carpet.A: crashB: polluteC: spotD: stain正确答案:(单选题) 18: “E” is the _________ letter of the English alphabet.A: fiveB: firstC: fifthD: second正确答案:(单选题) 19: The boys spent the whole morning _______ possible answers to the question.A: discussB: anddiscussingC: discussingD: anddiscussed正确答案:(单选题) 20: No one imagined that the apparently ____________ businessman was really a criminal.A: respectfulB: respectableC: respectiveD: respected正确答案:(单选题) 1: Will you see to ____ that my birds are looked after well while I'm away? A: them------------------------------------------------------------------------------------------------------------------------------ B: yourselfC: itD: me正确答案:(单选题) 2: - Where is Miss Smith? - _________A: She's from England.B: She's at home.C: She's not back.D: She's very well.正确答案:(单选题) 3: He went to the market and bought __eggs and some meat.A: threedozenofB: threedozenC: threedozensD: threedozensof正确答案:(单选题) 4: I really appreciate __________ to help me, but I am sure that I will be able to manage by myself.A: youtoofferB: yourofferingC: thatyouofferD: thatyouareoffering正确答案:(单选题) 5: When did you arrive in Beijing? - __________.A: nobody informs me.B: I will see you later.C: 2 hours laterD: No, I don't think I can get soon.正确答案:(单选题) 6: Tom has_________ books.A: twodozensB: dozenofC: dozensofD: twodozensof正确答案:(单选题) 7: - This is a challenging job. Who wants it? - _________A: I'll take it.B: It's a good idea.C: You bet!D: No sweat!正确答案:(单选题) 8: The Wilsons live in ______A-shaped house near the coast . It is _______17th century cottage.------------------------------------------------------------------------------------------------------------------------------ A: the,/B: an,theC: /,theD: an,a正确答案:(单选题) 9: _________ of the room _________ empty.A: Two-third,areB: Two-thirds,areC: Two-third,isD: Two-thirds,is正确答案:(单选题) 10: If you go by ______train ,you can have quite a comfortable journey ,but make sure you get _____fast one.A: /,/B: ./,aC: the,aD: /,/正确答案:(单选题) 11: If you buy more than ten, they will knock20pence off________.A: apriceB: priceC: thepriceD: prices正确答案:(单选题) 12: ______ more attention,the trees could have grown better.A: TogiveB: HavinggivenC: GivenD: Giving正确答案:(单选题) 13: ．—How many books do you have？—I have _______ book．That's _______ English bookA: a anB: a oneC: one anD: one one正确答案:(单选题) 14: Two __died of cold last winter.A: hundredsoldpeopleB: hundredoldpeopleC: hundredsoldpeoplesD: hundredoldpeoples正确答案:------------------------------------------------------------------------------------------------------------------------------ (单选题) 15: He send his ___________ wishes for your future happiness.A: honestB: sincereC: manyD: hopeful正确答案:(单选题) 16: The doctor checked up both Wang's ____hearts.A: father-in-law'sandhisbrother-in-law'sB: father's-in-lawandhisbrother's-in-lawC: father-in-lawandhisbrother-in-lawD: father-in-laws'andhisbrother-in-laws'正确答案:(单选题) 17: Please be careful when you are drinking coffee in case you ______ the new carpet.A: crashB: polluteC: spotD: stain正确答案:(单选题) 18: “E” is the _________ letter of the English alphabet.A: fiveB: firstC: fifthD: second正确答案:(单选题) 19: The boys spent the whole morning _______ possible answers to the question.A: discussB: anddiscussingC: discussingD: anddiscussed正确答案:(单选题) 20: No one imagined that the apparently ____________ businessman was really a criminal.A: respectfulB: respectableC: respectiveD: respected正确答案:。

大学英语3兰大作业

D、dramatic
标准答案:C
学员答案:C
说明:相近形容词
本题得分:4.11
题号:20题型:单选题（请在以下几个选项中选择唯一正确答案）本题分数:2.74
内容:
She has _______ orange skirt．_______ skirt is nice．
A、a，The
B、an，The
C、an，A
A、lift
B、rise
C、grow
D、raise
标准答案:B
学员答案:B
说明:相近动词
本题得分:4.11
题号:14题型:单选题（请在以下几个选项中选择唯一正确答案）本题分数:5.48
内容:
Students or teachers can participate in excursions to lovely beaches around the island at regular _______.
标准答案:B
学员答案:B
本题得分:2.74
题号:22题型:是非题本题分数:6.85
内容:
More than a quarter of the winners were so scared of facing the disapproval of the greed of others that they seldom told a single other person about their windfall.
D、the，The
标准答案:B
学员答案:B
本题得分:2.74
题号:21题型:单选题（请在以下几个选项中选择唯一正确答案）本题分数:2.74
内容:
_______ Great Wall is _______ longest wall in the world．

兰州大学网络教育《大学英语3》命题作业1-请结合个人的英语学习经历,分析英语写作能+答案

兰州大学网络教育《大学英语3》命题作业1-请结合个人的英语学习经历,分析英语写作能+答案English writing ability is a n of the comprehensive abilities of listening。

speaking。

reading。

and writing。

Among them。

speaking ability is the basic ability for learning English。

while writing ability is the focus and core of comprehensive abilities。

and also one of the ns of students' English proficiency。

Whether it is from middle school English writing to academic writing in higher n。

this ability always tests every student and examines their language literacy.Recalling years of English learning。

from nal vocabulary n。

completing sentences。

natural phonics to contextual filling。

initial letter filling。

grammar filling。

to n and pure writing test types in university four。

six levels。

postgraduate entrance n。

and overseas English exams。

all of them without n demonstrate the importance of writing ability in English n。

兰州大学《大学英语(3)》19秋平时作业2参考答案

D.a,a
答案:B
17.Sometimes I can’t help wondering what’s the matter with Tom．I can’t stand it that he often_____ me and talks with the other students around him．
A.drought
B.thirst
C.disaster
D.famine
答案:D
14.We can't see _______ sun at _______ night．
A.the the
B.the ／
C.a ／
D.／／
答案:B
15.He has__ books in his study.
A.severalthousands
B.somethousandsof
C.somethousands
D.somethousandof
答案:B
16.The sign reads“in ease of___fire ,break the glass and push _____red button”
A./,a
B./,the
C.the,the
B.Hard work and intelligence.
C.Hard help and a limited knowledge of English.
n culture and the American educational system.
答案:A
5.I asked the saleswoman to __________ the price, but she firmly refused to. Faced with this I decided to turn to the manager.

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案卷1

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案（图片大小可自由调整）第1卷一.综合考核(共10题)1.____ , Edison began experimenting with something which he had made himself.A.On August 12, 1877B.In August 12, 1877C.At 12 August, 1877D.In 1877, August, 122.His article is better than ____ in the class.A.any ones elseB.any one elseC.any ones else'sD.any one else's3.-When did you arrive in Beijing? -__________.A.nobody informs me.B.I will see you later.C.2 hours laterD.No, I don’t think I can get soon.4.-Does Jim have ____ ruler? -Yes, he has ____.A.an someB.a oneC.a /D.any one5.I asked the saleswoman to ____ the price, but she firmly refused to. Faced with this I decided to turn to the manager.A.bring downy downC.put downD.draw down6.The sign reads “in ease of ___ fire, break the glass and push _____ red button ”.A./, aB./, theC.the, theD.a, a7.Choose the best topic sentence from the group below.A.More and more students have part-jobs out of campus.B.The population of university students having part-time jobs is increasing quickly.C.Part-time jobs can foster university students’ sense of competition.D.More people support students to have part-time8.“Let me _______ you,” said my boss, “you should call me immediately after you arrive at the airp ort.”A.askB.adviseC.rememberD.remind9.She used to have three ____.A.boys friendsB.boys friendC.boy friendsD.boy friend10.It's reported that by the end of last month the sale of the company ____ by 10%.A.has risenB.had been risingC.had risenD.has been rising第1卷参考答案一.综合考核1.参考答案：A2.参考答案：D3.参考答案：C4.参考答案：B5.参考答案：C6.参考答案：B7.参考答案：C8.参考答案：D9.参考答案：C10.参考答案：C。

兰大《大学英语(3)》22春平时作业二

《大学英语(3)》22春平时作业2-000011.The sign reads “in ease of___fire ,break the glass and push_____red button”选项A：/,a选项B：/,the选项C：the,the选项D：a,a参考答案：B2.More than one ___________ dismissed.选项A：have been选项B：has been选项C：were选项D：has参考答案：B3._________ of the room _________ empty.选项A：Two-third,are选项B：Two-thirds,are选项C：Two-third,is选项D：Two-thirds,is参考答案：D4.It is ___world of wonders, _____world where anything can happen.选项A：a.the选项B：a,a选项C：the,a选项D：/,/参考答案：B5.The membership of the society began to _____________.选项A：drop off选项B：come off选项C：pull off选项D：let off参考答案：A6.He is very tired. He needs ____ .选项A：anightrest选项B：restofanight选项C：arestnight选项D：anight'srest参考答案：D7.The book tells ____life story of John Smith ,who left _______schooland worked for a newspaper at the age of 16.选项A：the,the选项B：a,the选项C：the./选项D：a,/参考答案：C8.___________, a mechanic and farmer, Edward received an interest inpractical science that stayed with him throughout his life.选项A：His father选项B：From his father选项C：It was his father选项D：His father was参考答案：B9.what were you doing at nine last night? - __________.选项A：I was watching TV at that time.选项B：Yes, but I can't afford the time选项C：I did my homework.选项D：I am going to leave my aunts home.参考答案：A10.333 is _________ .选项A：threehundredsandthirtythree选项B：threehundredandthirtyandthree选项C：threehundredandthirty-three选项D：threehundredsthirtythird参考答案：C11.. Great as Newton was , many of his ideas ______ today and are being modified by thework of scientists of our time.选项A：are to challenge选项B：may be challenged选项C：have been challenged选项D：are challenging参考答案：C12.The word "appraisal "(Line5, Para.2) most probably means "_______"选项A：involvement选项B：appreciation选项C：assessment选项D：presentation参考答案：C13._____ before we depart the day after tomorrow, we should have a wonderful dinner party.选项A：Hadtheyarrived选项B：Wouldtheyarrive选项C：Weretheyarriving选项D：Weretheytoarrive参考答案：D14._______ woman over there is _______ popular teacher in our school．选项A：A an选项B：The a选项C：The the选项D：A the参考答案：B15.When you come here for your holiday next time, don’t go to_____hotel ; I can find you ______bed in my flat.选项A：the,a选项B：.the,/选项C：a,the选项D：a,/参考答案：A16.Shortly after the accident two ___police were sent to the spot to keep order.选项A：dozenof选项B：dozens选项C：dozen选项D：dozensof参考答案：C17.. Mr. Morgan can be very sad ______ , though in public he is extremely cheerful.选项A：by himself选项B：in person选项C：in private选项D：as individual参考答案：C18.He was only in__ at the time.选项A：his20's选项B：the20's选项C：histwenties选项D：thetwenties参考答案：C19.It'sabadpracticeto____childrenmuchmoneyasaNewYeargift.选项A：promise选项B：permit选项C：admit选项D：allow参考答案：D20.____________ to the doctor right away, he might have been alive today.选项A：If he went选项B：Had he gone选项C：Were he gone选项D：Should he have gone参考答案：B21.I recommended that the student _______________ his composition as soon as possible.选项A：finishwriting选项B：finisheswriting选项C：shouldfinishwriting选项D：finishedwriting参考答案：A22.____________ lunch, the finance committee resumed the meeting.选项A：Havingtoeat选项B：Havetoeat选项C：Havingeaten选项D：Havingeat参考答案：C23.The little man was _______ one metre fifty high.选项A：almost more than选项B：hardly more than选项C：nearly more than选项D：as much as参考答案：B24.On our way to school, suddenly it began to rain, and we hurried to take______under a big tree．选项A：recovery选项B：notice选项C：advantage选项D：Shelter参考答案：D25.Don't leave you work,__ .选项A：donehalf选项B：halfdone选项C：ahalfdone选项D：doneahalf参考答案：B。

兰州大学《大学英语(3)》15秋在线作业3满分答案

兰州大学《大学英语(3)》15秋在线作业3满分答案一、单选题（共 20 道试题，共 100 分。

）1. _______ at his paper over the weekend, Neil didn’t finish it.A. AsheworkedhardB. HardasheworkedC. HowheworkedhardD. Howhardheworked答案：B2. Most children are brought up in the ____________ in big cities.新编大学英语3答案A. nurseryB. parkC. gardenD. nurse答案：A3. Allen _______ any good job since he came to New York City two years ago.A. hasn’tfoundB. didn’tfindC. doesn’tfindD. hadn’tfound答案：A4. It is not easy to learn English well, but if you _____ ,you will succeed in the end.A. hang upB. hang aboutC. hang onD. hang onto答案：D5. ．Some old people don’t like pop songs because they can’t _____so much noiseA. concernB. tolerateC. undertakeD. Ignore答案：B6. My father ______ you a lift, even if he didn’t plan to take that way．A. musthavegivenB. mighthavegivenC. shouldhavegivenD. can’thavegiven答案：B7. That was _______ matter that I had no choice but to talk it over with my parents.A. asuchseriousB. asoseriousC. suchseriousaD. soseriousa答案：D8. Maybe you have travelled to many parts of the world, but nowhere else _____ striking attractions．A. youcanseesomanyB. canyouseesuchmanyC. youcanseesuchmanyD. canyouseemanysuch答案：D9. ____________ to the doctor right away, he might have been alive today.A. If he wentB. Had he goneC. Were he goneD. Should he have gone答案：B10. In the last sentence of the second paragraph, the pronoun "it "refers to "_____A. fitting our actions to those of other people appropriatelyB. identification of other people's statusesC. selecting one's own statusesD. selecting one's own statuses答案：A11. He is talking so much about America as if he _____ there.A. hadbeenB. hasbeenC. wasD. hasgone答案：A12. It is important that enough money ______ to fund the project.A. be collectedB. must be collectedC. was collectedD. can be collected答案：A13. —Does Jim have _______ ruler？—Yes，he has _______ ．A. an someB.a oneC.a ／D.any one答案：B14. The president made a ______ speech at the opening ceremony of the sports meeting ,which encouraged the sportsmen greatly.A. formalB. withC. toD. for答案：A15. The boys spent the whole morning _______ possible answers to the question.A. discussB. anddiscussingC. discussingD. anddiscussed答案：C16. After the_________ riding, we have covered_____ of the whole distance.A. four-hour,three-fourthsB. four-hours,three-fourthC. four-hours,three-fourthsD. four-hours,three-fourthes答案：A17. After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys _____ to go to school.A. to be encouragedB. been encouragedC. being encouragedD. be encouraged答案：C18. _________ will you achieve success unless you devote yourself to the subject heart and soul.A. By no meansB. No matter howC. In no occasionD. By all means答案：A19. —What a great cook your sister is! —Yeah! We ______ never have enough of her cookies．A. mayB. mustC. shouldD. Can答案：D20. You mentioned ____________ him in the hospital last week.A. having seenB. have seenC. to seeD. saw答案：AA686F9664E0AF1A4。

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案3

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案（图片大小可自由调整）第1卷一.综合考核(共15题)1.The membership of the society began to ____.A.drop offe offC.pull offD.let off2.In the last sentence of the second paragraph, the pronoun “it” refers to _____。

A.fitting our actions to those of other people appropriatelyB.identification of other people's statusesC.selecting one's own statusesD.selecting one's own statuses3.I’ve been a student there for nearly two and _______ half years.A.aB.anC.theD./4.The boys spent the whole morning ____ possible answers to the question.A.discussB.and discussingC.discussingD.and discussed5.By the time you arrive home, I ____, so please don’t make any noise when you come in.A.shall have been sleepingB.shall have sleptC.shall sleepD.shall be sleeping 6.If you buy more than ten, they will knock 20 pence off ____.A.apriceB.priceC.the priceD.prices7.All the ___ in the hospital got a rise yesterday.A.women doctorsB.woman doctorsC.women doctorD.woman doctor8.What date is it?A.July twentieth-firstB.of July twenty-firstC.the twenty-first of JulyD.the twentieth-first of July9.It took them ____ to finish the work.A.one and a half hoursB.one and a half hourC.an hour and a half hoursD.one and half hour10.He occupies a ____________ place in English literature.A.most uniqueB.uniqueC.least uniqueD.very unique11.“Let me ____ you, ”said my boss, “you should call me immediately after you arrive at the airport. ”A.askB.adviseC.rememberD.remind12.Please be careful when you are drinking coffee in case you ____ the new carpet.A.crashB.polluteC.spotD.stain13.She was scared to __________ death when she heard the news.A.as much asB.as well asC.as good asD.as many as14.Convenience foods which are already prepared for cooking are ____ in grocery stores.A.readyB.approachableC.probableD.available15.If there is no one _______ him with the preparation, he will have to put off the meeting.A.helpB.to helpC.helpsD.helped第2卷一.综合考核(共15题)1.When you come here for your holiday next time, don't go to _____ hotel; I can find you ______ bed in my flat.A.the, aB.the, /C.a, theD.a, /2.-I really don't know how to thank you enough. -____.A.No problemB.Think nothing of itC.With pleasureD.Glad to hear that3.The engineers are planning to ______________ oil with some kind of material for the engine.A.substituteB.placeC.replaceD.instead4.This question is too difficult, and everyone is ____ to solve it.A.at his wits endB.at ones wits endC.in his wits endD.out of his wits end5.Either you or the headmaster __ the prizes for these gifted students at the meeting.A.is handing inB.are to hand outC.are handing inD.is to hand out6.Mrs, Taylor has ____ 9-year-old daughter who has ____ gift for painting she has won two national prizes.A.a, aB.an, theC.an, aD.the7.On May 5, 2005, at ___ World Table Tennis Championship, Kong Ling hui and WangHao won the gold medal in men's with ____ score of 4:1.A.a, aB./, theC.a, /D.the, a8.Seventy-seven ____ thirty-five is forty-two.A.minus byB.minusC.plusD.minus to9.“Let me _______ you,”said my boss,“you should call me immediately after you arrive at the airport.”A.askB.adviseC.rememberD.remind10.Most children are brought up in the ____ in big cities.A.nurseryB.parkC.gardenD.nurse11.While he was investigating ways t improve the telescope Newton made _______ discovery which completely changed ____ man’s understanding of color.A.a,/B.a,theC./,theD.the,a12.The sign reads “in ease of ___ fire, break the glass and push _____ red button ”.A./, aB./, theC.the, theD.a, a13.Tom was born ____.A.in the late sixtysB.on the late sixtyC.in the late sixtiesD.in late sixties14.The sign reads “in ease of ___ fire, break the glass and push _____ red button”A./,aB./,theC.the,theD.a,a15.He cut the cake __.A.in halvesB.in halfC.into halvesD.into half第1卷参考答案一.综合考核1.参考答案：A2.参考答案：A3.参考答案：A4.参考答案：C5.参考答案：D6.参考答案：C7.参考答案：A8.参考答案：C9.参考答案：A10.参考答案：B11.参考答案：D12.参考答案：D13.参考答案：C14.参考答案：D15.参考答案：B第2卷参考答案一.综合考核1.参考答案：A2.参考答案：B3.参考答案：C4.参考答案：A5.参考答案：D6.参考答案：C7.参考答案：D8.参考答案：B9.参考答案：D10.参考答案：A11.参考答案：A12.参考答案：B13.参考答案：C14.参考答案：B15.参考答案：B。

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案2

兰州大学智慧树知到“公共课”《大学英语(3)》网课测试题答案（图片大小可自由调整）第1卷一.综合考核(共15题)1.They sold __ boxes of such sweets last week.A.four dozenB.fourC.four dozen of2.You can find him in __.A.Room 201B.201 RoomC.the Room 201D.the 201 Room3.A good newspaper publishes both ____ and foreign news.A.diplomaticB.democraticC.domesticD.dramatic4.—I really don’t know how to thank you enough. —______.A.No problemB.Think nothing of itC.With pleasureD.Glad to hear that5.It is rather cold again today, but tomorrow we expect the temperature to ____.A.liftB.riseC.growD.raise 6.____ more attention, the trees could have grown better.A.To giveB.Having givenC.GivenD.Giving7.He cut the cake __.A.in halvesB.in halfC.into halvesD.into half8.We can't see _______ sun at _______ night.A.the, theB.the, /C.a, /D./, /9.After ten years,all those youngsters became ___A.growns-upB.growns-upC.grown-upD.grown-ups10.____ , Edison began experimenting with something which he had made himself.A.On August 12, 1877B.In August 12, 1877C.At 12 August, 1877D.In 1877, August, 1211.____ the search engine just gave me some brief introductions rather than the whole content of the book to read.A.LuckilyB.MostlyC.FunnilyD.Disappointingly12.“Let me ____ you, ”said my boss, “you should call me immediately after you arrive at the airport. ”A.askB.adviseC.rememberD.remind13.We can’t see _______ sun at _______ nightA.the theB.the /C.a /D./ /14.“Let me _______ you,” said my boss, “you should call me immediately after you arrive at the airport.”A.askB.adviseC.rememberD.remind15.When he applied for a _____________ in the office of the local newspaper, he was told to see the manager.A.locationB.professionC.careerD.position第2卷一.综合考核(共15题)1.This picture does not ____ the one you showed me yesterday.e down withe up toe up withe up against2.-Does Jim have ____ ruler? -Yes, he has ____.A.an someB.a oneC.a /D.any one3.She was scared to __________ death when she heard the news.A.as much asB.as well asC.as good asD.as many as4.A bullet hit the solider and he was wounded in ____leg. A.aB.oneC.theD.his5.Physics is _______ to the science which was called natural philosophy in history.A.alikeB.equivalentC.likelyD.uniform6.The students must finish the test in ____.A.three quarters of an hour timeB.three quarter’s of an hour timeC.three quarters of an hour’s timeD.three quarters’ of an hour’s time7.The strong storm did a lot of damage to the coastal villages: several fishing boats were ____ and many houses collapsed.A.wreckedB.spoiledC.tornD.injured8.I asked the saleswoman to __________ the price, but she firmly refused to. Faced with thisI decided to turn to the manager.A.bring downy downC.put downD.draw down9.333 is ____ .A.three hundreds and thirty threeB.three hundred and thirty and threeC.three hundred and thirty-threeD.three hundreds thirty third10.There are_________ of visitors to Kunming.A.tens of thousands 2000B.about ten of thousandsC.about three thousandsD.about three thousand11.His trousers ____ in his suitcase.A.is always keptB.are kept alwaysC.are always keptD.have always been12.Mr. Morgan can be very sad ______, though in public he is extremely cheerful.A.by himselfB.in personC.in privateD.as inpidual13.Truth will ____________ over falsehood, right over wrong.A.prevailB.advantageC.winD.earn14.While he was investigating ways t improve the telescope Newton made _______ discovery whichc ompletely changed ____ man’s understanding of color.A.a,/B.a,theC./,theD.the,a15.-I really don't know how to thank you enough. -____.A.No problemB.Think no thing of itC.With pleasureD.Glad to hear that第1卷参考答案一.综合考核1.参考答案：A2.参考答案：A3.参考答案：C4.参考答案：B5.参考答案：B6.参考答案：C7.参考答案：B8.参考答案：B9.参考答案：D10.参考答案：A11.参考答案：D12.参考答案：D13.参考答案：B14.参考答案：D15.参考答案：D第2卷参考答案一.综合考核1.参考答案：B2.参考答案：B3.参考答案：C4.参考答案：C5.参考答案：B6.参考答案：C7.参考答案：A8.参考答案：C9.参考答案：C10.参考答案：A11.参考答案：C12.参考答案：C13.参考答案：A14.参考答案：A15.参考答案：B。