北京大学15秋《大学英语3》作业5满分答案 1.docx

1、北京大学15秋大学英语3作业5满分答案 1北京大学15秋大学英语3作业5满分答案1.鼓励独立完成作业，严禁抄袭。词汇与结构Please give Jim the schedule for tomorrows conference when he back. He is to chair the conference.A.A. will comeB.B. comeC.C. comesD.D. cameC2.five minutes earlier, you would not have missed the last trainfor Shanghai, but you were late.大学

2、英语3答案大学英语精读5答案A.A. Had you comeB.B. Do you comeC.C. Did you comeD.D. Should you comeA3.After he worked out the solution, appeared a smile on his face.A.A. itB.B. hereC.C. whatD.D. thereD4.the former presidents supporters went out in streets to expresstheir anger and dissatisfaction.A.A. A small amou

3、nt ofB.B. A large number ofC.C. A little bit ofD.D. A great deal ofB5.To be honest, todays dinner was just so-so. It wasnt such a good one _ promised by the boss.A.A. thatB.B. whichC.C. asD.D. whatC6.So many people _ the meeting had to be put off.A.A. being absentB.B. to be absentC.C. were absentD.D

4、. had been absentA7.We often advise him not to drink more is good for his health.A.A. asB.B. thatC.C. thanD.D. butC8.Did Charles vote in the last election?No, he wasnt .A.A. enough old thenB.B. then enough oldC.C. old then enoughD.D. old enough thenD9.By no means look down on those who are less luck

5、y in life than we are.A.A. we shouldB.B. should weC.C. we should notD.D. should we notB10.He didnt feel like that day so he stayed indoors reading.A.A. workingB.B. worksC.C. to workD.D. workedA11.No sooner had we started on the road it began to rain.A.A. whenB.B. thanC.C. thenD.D. wheneverB12.He dec

6、ided to go for a sailing holiday the fact that he wasusually seasick (晕船).A.A. because ofB.B. in spite ofC.C. in case ofD.D. as a result ofB13.What you do in your spare time is your own _ . However itshould not be harmful to others.A.A. businessB.B. purchaseC.C. bargainD.D. saleA14.As a gardener, Ji

7、m has to water the flowers and the grass inthe garden every morning.A.A. trimB.B. improveC.C. refineD.D. repairA15.The firemen are still the small fires started by the planecrash.A.A. taking offB.B. setting asideC.C. getting along withD.D. putting outD16.改错请在以下句子划线部分中，挑出错误的选项。The sun gives off light

8、 and warmth, that makes it possible for plants to grow.A.A. gives offB.B. thatC.C. itD.D. forB17.Sand painting has also called dry or earth painting and ispracticed byseveral American Indian artists.A.A. has also calledB.B. andC.C. is practicedD.D. several American Indian artistsA18.Humans, like man

9、y other animals, are warm-blooded with a fairlyconstantly body temperature.A.A. HumansB.B. likeC.C. withD.D. fairly constantlyD19.Now that the stress of examinations and interviews are over, wecan all relax for a while.A.A. Now thatB.B. areC.C. allD.D. relaxB20.The talleBst of the twins went to sear

10、ch for the missingjewels, the picture of which you saw in todays newspaper.A.A. tallestB.B. search forC.C. the picture ofD.D. whichA-21.请阅读以下文章，回答文章后的五个小题。每个小题只有一个最佳选项。The top of the world is a wonderland. In winter, the temperature often falls to -30F and the sun never rises. The ocean issurrounded

11、 by frozen ground. There are few people or trees, but to polar bears, the Arctic(北极)is home.Polar bears have thick fur, big paws and other features that make them well prepared for life in their tough environment. In fact, they need the Arctic sea ice for survival. But climate change iscausing large

12、r and larger areas of summer sea ice to melt (融化). Experts say that if warming patterns continue, the Arctic could be free of summer sea ice by 2050. That may cause two-thirds of the worlds 20,000 polar bears to be gone by then too.Polar bears cant survive for long on land. Seals are their main sour

13、ce of food. The only place where polar bears can hunt seals is on the ice.(79) Although these bears are strong swimmers, they are no match for lightning swift seals in the water. A polar bear has brilliantly clever strategies to overcome this disadvantage. In winter the bear waits motionless beside

14、a seals breathing hole, which is a narrow tunnelthrough the ice. Often many hours pass before the seal comes up for air and the bear kills it with apowerful blow of its paw. In summer, the polar bears that live on land eat very little and wait for the sea ice to return.With the sea ice forming later

15、 in the year and melting earlier,polar bears do not have enough opportunity to hunt and eat. Less sea ice makes it harder for the bears to catch the seals. The bears must swim longer distances between ice packs(大片浮冰), and they cant always make it. The ice is also getting thinner. These conditions ca

16、n cause polar-bear cabs to become separated from their mothers, who provide them with food.Steven Amstrup is the chief scientist of Polar Bears International. The group aims to save the bears and their home.1.Which is the best title for the passage?单选题A.A. Climate Change in the ArcticB.B. How to Pro

17、tect the EnvironmentC.C. The Arctic Ts Home to Polar BearsD.D. Polar Bears in DangerD2.Where do polar bears usually hunt seals?单选题A.A. On land.B.B. In open water.C.C. In openings in the sea ice.D.D. At the bottom of the sea.C3.The word单选题A.A. adultsB.B. babiesC.C. huntersD.D. enemiesB4.According to

18、the passage, which of the following statements isTRUE?单选题A.A. Starving polar bears are increasingly coming into villages,where they may be killed either for food or safety.B.B. Polar bears can spend their entire lives on land if the seaice melts completely.C.C. Two-thirds of the worlds polar bears m

19、ay disappear by 2050as global warming continues.D. The growing distance between ice packs is not a problem for polar bears, because they are excellent swimmers.C5.Whats the mission of Polar Bears International?单选题A.A. Saving energy.B.B. Conducting scientific research.C.C. Seeking international coope

20、ration.D.D. Saving polar bears and their home.D-22.When were learning a foreign language, making sense of what we hear is the first step toward fluency. It sounds obvious, but until recently, we didnt know much about how listening works. Newresearch demonstrates that effective listening involves mor

21、e than simply hearing the words that float past our ears. Rather, its an active process of receiving information and making meaning. Thiskind of engaged listening is a skill thats as critical for learning a range of subjects at school and work as it is for learning to understand a foreign tongue.Stu

22、dies of skilled language learners have identified specificlistening strategies that lead to superior comprehension. Last year, for example, University of Ottawa researcher Larry Vandergriftpublished his study of 106 undergraduates who were learning French as a second language. Half of the students w

23、ere taught in aconventional fashion, listening to and practicingtexts spoken aloud. The other half, possessing the same initial (最初的) skill level and taught by the same teacher, were given detailed instruction on how to listen. It mined out that the second group “significantly outperformed”(胜过) the

24、first one on a test of comprehension.So what are these listening strategies? Skilled learners go into a listening class with a sense of what they want to get out of it. They set a goal for their listening and they generate predictions about what the speaker will say. Before the talking begins, they

25、mentally review what they already know about the subject, and form an intention to“listen out for” whats important or relevant. Once they begin listening, these learners maintain their focus; if their attention wanders, they bring it back to the words being spoken. They dont allow themselves to be t

26、hrown off by confusing orunfamiliar details. Instead, they take note of what they dontunderstand and make inferences about what those things might mean, based on other clues available to them: their previous knowledge of the subject, the context (语境) of the talk, the identity of the speaker, and so

27、on.1.What is the main idea of this passage?单选题A.A. Effective listening means hearing the words that float pastour ears.B.B. Developing your listening skills is the first step towarddeveloping fluency.D.C. Skilled listeners use specific strategies to get the most out of what they hear.D.D. Listening

28、is one of the most powerful tools we have to gaininformation.C2.What does Vandergrifts research show?单选题A.A. Learners who adopt specific listening strategies becomebetter listeners.B.B. Learners taught in the traditional way are better atreinforcing what they learn.C.C. Learners are more confident i

29、f they make fewer mistakes.D.D. Learners who listen on a regular basis improve faster.A3.Which of the following statements about Vandergrifts researchis TRUE?单选题A.A. The participants were postgraduates learning French as asecond language.B.B. All the participants were taught using the conventionalme

30、thod, with the focus on listening strategies.C.C. The two groups were taught by different teachers.D.D. The participants were at the same initial skill level.D4.The expression “thrown off” in the third paragraph is closest inmeaning to“_”.单选题A.A. infectedB.B. confusedC.C. ruinedD.D. informedA5.According to the passage, which of the following strategies isNOT used by skilled learners? 单选题A.A. Review their prior knowledge of the subject.B.B. Concentrate on the speakers words.C.C. Translate into their nat