【考研类试卷】考研英语-试卷193及答案解析.doc
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1、考研英语-试卷 193及答案解析(总分:142.00,做题时间:90 分钟)一、Use of English(总题数:2,分数:80.00)1.Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D.(分数:40.00)_In the month of September, in Britain, you may see large numbers of birds (1)_ on roof
2、s and telegraph wires. These birds are swallows. They are (2)_ together because, very soon, they will be flying. (3)_ to much warmer lands, where they will find (4)_ the small flying insects on which they (5)_. There are no such insects (6)_ in Britain during the winter; it is (7)_ cold for them. Th
3、e swallows settle, fly off, swoop, and (8)_ again. This they do many times, for they are making short (9)_ flights in order to be fit for the long journey (10)_ them. (11)_ of these migrating birds leave Britain in the autumn. They fly (12)_ for hundreds of miles (13)_ they reach the warm lands of A
4、frica. But not all the birds get there, for many of them perish in the stormy weather they meet with (14)_. In the spring of the following year they“ (15)_ the long and tiring journey back to Britain. They return to the identical barn or tree in the (16)_ district which they had left the (17)_ autum
5、n. How do these birds find their (18)_ there and back over such vast distances? Nobody knows exactly (19)_, but it has something to do (20)_ winds and air currents.(分数:40.00)A.being perchedB.perchedC.being perchingD.be perchedA.gatheringB.assemblingC.waitingD.formingA.to southB.the southC.to southwa
6、rdsD.southA.great number ofB.a great deal ofC.plenty ofD.numerousA.feedB.are fedC.eatD.relyA.nearB.aboutC.nearbyD.overA.tooB.a bitC.veryD.muchA.fly offB.swoopC.settleD.turn backA.practicalB.practisingC.practiceD.practisedA.in advanceB.ahead ofC.in front ofD.in frontA.SwarmsB.HerdsC.FlocksD.SchoolsA.
7、firmlyB.stoutlyC.harshlyD.steadilyA.untilB.beforeC.whenD.asA.in the wayB.on the wayC.half the wayD.all the wayA.haveB.flyC.findD.makeA.oldB.originalC.familiarD.identicalA.beforeB.previousC.above goingD.formerA.wayB.pathC.courseD.routeA.whyB.whenC.howD.whatA.againstB.awayC.forD.with二、Reading Comprehe
8、nsio(总题数:10,分数:58.00)2.Section II Reading Comprehension_3.Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D._You might be forgiven for thinking that sleep researchers are a dozy bunch. Most of the other things people do regularlyeat, excre
9、te, copulate and so onare biologically fairly straightforward: there is little mystery about how or why they are done. Sleep, on the other hand, which takes up more of most people“s time than all of the above, and which attracts plenty of study, is still fundamentally a mystery. The one view shared
10、by all is that sleep matters. For evidence, look no further than the experiments led by Allan Rechtaschaffen and Bernard Bergmann at the University of Chicago in the 1980s. They kept experimental rats awake around the clock in an environment where control rats were allowed as much sleep as they want
11、ed. The sleep-deprived rats all died within a month. Carol Everson worked with the Chicago team as a graduate student and now has a job at the National Institutes of Health in Bethesda, Maryland. While repeating the Chicago experiments she was struck by the fact that, although the sleep-deprived rat
12、s showed no obvious symptoms of particular diseasesand no such signs were picked up in post-mortemstheir emaciation and generally sorry state was reminiscent of that which befalls many terminal cancer patients and AIDS patients, whose immune systems have packed up. While Dr. Everson does not claim t
13、o have hard and fast proof that sleep is needed for resistance to infection, her work does point that wayas does the re search of others around the world. Another approach is to look for chemicals that cause sleep; from these, you should be able to start telling a biological story which will eventua
14、lly reveal the function of sleep. Peter Shiromani of Harvard Medical School has found a protein that builds up at high levels in chronically sleep-deprived cats, but disappears within an hour if the animals are allowed 45 minutes of recovery sleep. Researchers at the University of Veron have found s
15、omething similar. But no one chemical tells the whole story. So new ways of inducing sleep may soon be available; an understanding of its purpose, though, remains elusive. In this, sleep is like the other great biological commonplace that is still mysterious: consciousness, which is also easily alte
16、red chemically but not too well under stood. No one knows how Consciousness arises, or what, if anything, it is for(though there are a lot of theories). Almost the only thing that can be said about it for certain is that you lose it when you fall asleep. Solving the mystery of sleeping and waking mi
17、ght require new insights into the consciousness that is lost and regained in the process. Putting it this way makes the problem sound rather grander, and the lack of progress so far look a bit less dozy.(分数:10.00)(1).Why does the writer say “You might be forgiven for thinking that.“?(分数:2.00)A.Solvi
18、ng the mystery of sleeping and waking requires new insights.B.Most of the other things people do regularly are biologically straightforward.C.The problem sounds rather grand.D.We still lack for progress though we“ve spent much more time studying it.(2).The experiments led by Allan Rechtaschaffen and
19、 Bernard Bergmann at the University of Chicago _.(分数:2.00)A.couldn“t prove that sleep mattersB.allowed the control rats as much sleep as possibleC.showed that sleep is still fundamentally mysteryD.kept the experimental rats up all day and all night(3).Which of the following statements is NOT true ac
20、cording to the passage?(分数:2.00)A.Dr. Everson announced the conclusion of the experiments that sleep is needed for resistance to infection.B.Carol Everson repeated the experiments led by Allan Rechtaschaffen and Bernard Bergmann at the University of Chicago.C.Carol has been a graduate student at the
21、 University of Chicago.D.Carol“s later experiment found some similarities between sleep-deprived rates and many terminal cancer patients and AIDS patients.(4).The protein found by Peter Shiromani _.(分数:2.00)A.eventually revealed the function o? sleepB.built up at high levels in chronically sleep-dep
22、rived ratsC.was similar to that found by researchers at the University of VeronD.lasted for only 45 minutes(5).The writer seems to think that _.(分数:2.00)A.new ways of inducing sleep is still beyond man“s knowledgeB.consciousness is a crucial part in sleep researchC.the understanding of the purpose o
23、f sleep is still hard to achieveD.we“ve got new insights into the consciousnessEinstein“s connection with the politics of the nuclear bomb is well known: he signed the famous letter to President Franklin Roosevelt that persuaded the United States to take the idea seriously, and he engaged in postwar
24、 efforts to prevent nuclear war. But these were not just the isolated actions of a scientist dragged into the world of politics. Einstein“s life was, in fact, to use his own words, “divided between politics and equations.“ Einstein“s earliest political activity came during the First World War, when
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- 考研 试卷 英语 193 答案 解析 DOC
