【考研类试卷】考研英语-试卷251及答案解析.doc
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1、考研英语-试卷 251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 October 2002, Goldman Sachs and Deutsche Bank (1)_ a new electronic market ( for ec
2、onomic indices that (2)_ substantial economic risks, such as nonfarm payroll (a measure of job availability) and retail sales. This new market was made possible by a (3)_ trading technology, developed by Longitude, a New York company providing software for financial markets, (4)_ the Parimutuel Digi
3、tal Call Auction. This is “digital“ (5)_ of a digital option: i.e., it pays out only if an underlying index lies in a narrow, discrete range. In effect, Longitude has created a horse race, where each “horse“ wins if and (6)_ the specified index falls in a specified range. By creating horses for ever
4、y possible (7)_ of the index, and allowing people to bet (8)_ any number of runners, the company has produced a liquid integrated electronic market for a wide array of options on economic indices. Ten years ago it was (9)_ impossible to make use of electronic information about home values. Now, mort
5、gage lenders have online automated valuation models that allow them to estimate values and to (10)_ the risk in their portfolios. This has led to a proliferation of types of home loan, some of (11)_ have improved risk-management characteristics. We are also beginning to see new kinds of (12)_ for ho
6、mes, which will make it possible to protect the value of (13)_, for most people, is the single most important (14)_ of their wealth. The Yale University-Neighbourhood Reinvestment Corporation programme, (15)_ last year in the city of Syracuse, in New York State, may be a model for home-equity insura
7、nce policies that (16)_ sophisticated economic indices of house prices to define the (17)_ of the policy. Electronic futures markets that are based on econometric indices of house prices by city, already begun by City Index and IG Index in Britain and now (18)_ developed in the United States, will e
8、nable home-equity insurers to hedge the risks that they acquire by writing these policies. These examples are not impressive successes yet. But they (19)_ as early precursors of a technology that should one day help us to deal with the massive risks of inequality that (20)_ will beset us in coming y
9、ears.(分数:40.00)A.createdB.generatedC.initiatedD.originatedA.reproduceB.restoreC.representD.resumeA.sophisticatedB.expensiveC.availableD.establishedA.madeB.calledC.askedD.readA.in the courseB.in the eventC.in the lightD.in the senseA.whenB.untilC.now thatD.only ifA.extentB.rangeC.lineD.areaA.forB.inC
10、.onD.upA.virtuallyB.admittedlyC.absolutelyD.originallyA.assumeB.assessC.dismissD.eraseA.themB.whichC.thatD.whomA.managementB.insuranceC.securityD.techonologyA.whatB.thoseC.whereD.itA.guaranteeB.protectionC.componentD.sourceA.securedB.sponsoredC.releasedD.launchedA.look toB.set upC.lay downD.rely onA
11、.termsB.specificationsC.conceptsD.consequencesA.isB.beingC.beenD.areA.emergeB.appearC.standD.ariseA.somehowB.anywayC.otherwiseD.thereby二、Reading Comprehensio(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
12、choosing A, B, C or D._It was the biggest scientific grudge match since the space race. The Genome Wars had everything: two groups with appealing leaders ready to fight in a scientific dead heat, pushing the limits of technology and rhetoric as they battled to become the first to read every last one
13、 of the 3 billion DNA “letters“ in the human body. The scientific importance of the work is unquestionable. The completed DNA sequence is expected to give scientists unprecedented insights into the workings of the human body, revolutionizing medicine and biology. But the race itself, between the gov
14、ernment“s Human Genome Project and Rockville, Md., biotechnology company Celera Genomics, was at least partly symbolic, the public/private conflict played out in a genetic lab. Now the race is over. After years of public attacks and several failed attempts at reconciliation, the two sides are taking
15、 a step toward a period of calm. HOP head Francis Collins (and Ari Patrinos of the Department of Energy, an important ally on the government side) and Craig Venter, the founder of Celera, agreed to hold a joint press conference in Washington this Monday to declare that the race was over (sort of), t
16、hat both sides had won (kind of) and that the hostilities were resolved (for the time being). No one is exactly sure how things will be different now. Neither side will be turning off its sequencing machines any time soonthe “finish lines“ each has crossed are largely arbitrary points, “first drafts
17、“ rather than the definitive version. And while the joint announcement brings the former Genome Warriors closer together than they“ve been in years, insiders say I that future agreements are more likely to take the form of coordination, rather than outright collaboration. The conflict blew up this F
18、ebruary when Britain“s Welcome Trust, an HGP participant, released a confidential letter to Celera outlining the HGP“s complaints. Venter called the move “a lowlife thing to do“, but by spring, there were the first signs of a thaw. “The attacks and nastiness are bad for science and our investors“, V
19、enter told Newsweek in March, “and fighting back is probably not helpful“. At a cancer meeting earlier this month, Venter and Collins praised each other“s approaches, and expressed hope that all of the scientists involved in sequencing the human genome would be able to share the credit By late last
20、week, that hope was becoming a reality as details for Monday“s joint announcement were hammered out. Scientists in both camps welcomed an end to the hostilities. “If this ends the horse race, science wins“. With their difference behind them, or at least set aside, the scientists should now be able t
21、o get down to the interesting stuff, figuring how to make use of all that data.(分数:10.00)(1).The recent Genome Wars were symbolic of(分数:2.00)A.the enthusiasm in scientific research.B.the significance of the space race.C.the public versus private conflict.D.the prospect of the completion of DNA seque
22、ne.(2).The tone of the author in reporting the joint press conference this Monday is(分数:2.00)A.astonished.B.enthusiastic.C.disappointed.D.objective.(3).It is implied in the third paragraph that(分数:2.00)A.the “finish lines“ does mean what it reads.B.the sequencing“ machines have stopped at the “finis
23、h lines“.C.the former warriors are now collaborators.D.both sides will work on independently.(4).The word “thaw“ (Para. 4) most probably means(分数:2.00)A.aggravation in tension.B.improvement in relation.C.intensification in attacks.D.stoppage of coordination.(5).The critical thing facing the scientis
24、ts is to(分数:2.00)A.apply the newly-found knowledge to the benefit of mankind.B.end their horse race for the success of science.C.get down to their genome research.D.set their differences asideAt the start of the year, The Independent on Sunday argued that there were three overwhelming reasons why Ir
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- 考研 试卷 英语 251 答案 解析 DOC
