考研英语真题90-96年

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1、1990年全国硕士研究生入学统一考试英语试题SectionII:ReadingComprehensionEachofthethreepassagesbelowisfollowedbysomequestions.Foreachquestiontherearefouranswers・Readthepassagescarefullyandchoosethebestanswertoeachofthequestions・PutyourchoiceintheANSWERSHEET.(20points)Text1InMay1989,spaceshuttle"Atlanti

2、s"releasedinouterspacethespaceprobe“MegallanJwhichisnowonher15-monthandone-billion-kilometerflighttoVenus

3、ensity,soitisprobablymadeofapproximatelythesamestuff,andithasanatmosphere,completewithclouds・Ilisalsotheclosestplanettoearth,andthusthemostsimilarindistancefromthesun.Inshort,Venusseemstojustifyitslong-heldnicknameof“earth'stwin/5ThesurfacetemperatureofVenusreachessome900F.Addedtot

4、hatisanatmosphericpressureabout90timesEarth's:Highoverheadinthecarbondioxide(CO2)thatpassesforairisalayerofclouds,perhaps10to20milesthick,whoselittledropsconsistmostlyofsulfuricacid(H2SO4).Waterisallbutnonexistent.Bornwithsomanyfundamentalsimilaritiestoearth,howdidVenusgettobesorad

5、icallydifferent:Itisnotjustanacademicmatter.Forallitsextremes,Venusisavaluablelaboratoryforresearchersstudyingtheweatherandclimateofearth・1(hasnoearthoceans,sotheheattransportandothermechanismsaregreatlysimplified.Inaddition,theplanetVenustakes243earth-daystoturnonceonitsaxis,soin

6、comingheatfromthesunisaddedanddistributedatamoreleisurely,observablepace・16.VenusissimilartoEarthin・[A]sizeanddensity[B]distancefromthesun[C]havingatmosphere[D]alloftheabove17.ThegreatestvalueinstudyingVenusshouldbeto・[Alallowustovisitthere[B]understandEarthbetter[C]findanewsourceo

7、fenergy[D]promoteanewspaceprogram18.Themainideaofthispassageisabout・[A]problemsofspacetravel[B]scientificmethodsinspaceexploration[C]theimportanceofVenustoEarth[D]conditionsonVenusText2TouristsweresuiprisedtoseeawomandrivingahugeorangetractordownoneofRome'smainavenues.Italy'spoliti

8、calleadersandsomeofitsmale