2005年考研英语真题完整版

资料来源：中国教育在线资料来源：中国教育在线年考研英语真题完整版SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark[A],[B],[C]or[D]onANSWERSHEET1(10points)Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,__1__thisislargelybecause,__2__animals,westandupright.Thismeansthatournosesare__3__toperceivingthosesmellswhichfloatthroughtheair,__4__themajorityofsmellswhichsticktosurfaces.Infact,__5__,weareextremelysensitivetosmells,__6__wedonotgenerallyrealizeit.Ournosesarecapableof__7__humansmellsevenwhentheseare__8__tofarbelowonepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,__9__othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate__10__smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend__11__tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell__12__cansuddenlybecomesensitivetoitwhen__13__toitoftenenough.Theexplanationforinsensitivitytosmellseemstobethatbrainfindsit__14__tokeepallsmellreceptorsworkingallthetimebutcan__15__newreceptorsifnecessary.Thismay__16__explainwhywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot__17__oftheusualsmellofourownhousebutwe__18__newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors__19__forunfamiliarandemergencysignals__20__thesmellofsmoke,whichmightindicatethedangeroffire.1.[A]although[B]as[C]but[D]while2.[A]above[B]unlike[C]excluding[D]besides3.[A]limited[B]committed[C]dedicated[D]confined4.[A]catching[B]ignoring[C]missing[D]tracking5.[A]anyway[B]though[C]instead[D]therefore资料来源：中国教育在线资料来源：中国教育在线[A]evenif[B]ifonly[C]onlyif[D]asif7.[A]distinguishing[B]discovering[C]determining[D]detecting8.[A]diluted[B]dissolved[C]determining[D]diffused9.[A]when[B]since[C]for[D]whereas10.[A]unusual[B]particular[C]unique[D]typical11.[A]signs[B]stimuli[C]messages[D]impulses12.[A]atfirst[B]atall[C]atlarge[D]attimes13.[A]subjected[B]left[C]drawn[D]exposed14.[A]ineffective[B]incompetent[C]inefficient[D]insufficient15.[A]introduce[B]summon[C]trigger[D]create16.[A]still[B]also[C]otherwise[D]nevertheless17.[A]sure[B]sick[C]aware[D]tired18.[A]tolerate[B]repel[C]neglect[D]notice19.[A]available[B]reliable[C]identifiable[D]suitable20.[A]similarto[B]suchas[C]alongwith[D]asidefromSectionIIReadingComprehensionPartADirections:Readthefollowingfourtexts.Answerthequestionsbeloweachtextbychoosing[A],[B],[C]orD.MarkyouranswersonANSWERSHEET1(40points)Text1资料来源：中国教育在线资料来源：中国教育在线“alltoohuman,”withtheunderlyingassumptionthatotheranimalswouldnotbecapableofthisfinelydevelopedsenseofgrievance.ButastudybySarahBrosnanandFransdeWaalofEmoryUniversityinAtlanta,Georgia,whichhasjustbeenpublishedinNature,suggeststhatitisalltoomonkey,aswell.Theresearchersstudiedthebehaviouroffemalebrowncapuchinmonkeys.Theylookcute.Theyaregood-natured,co-operativecreatures,andtheysharetheirfoodreadily.Aboveall,liketheirfemalehumancounterparts,theytendtopaymuchcloserattentiontothevalueof“goodsandservices”thanmales.SuchcharacteristicsmakethemperfectcandidatesforDr.Brosnan’sandDr.deWaal’sstudy.Theresearchersspenttwoyearsteachingtheirmonkeystoexchangetokensforfood.Normally,themonkeyswerehappyenoughtoexchangepiecesofrockforslicesofcucumber.However,whentwomonkeyswereplacedinseparatebutadjoiningchambers,sothateachcouldobservewhattheotherwasgettinginreturnforitsrock,theirbehaviourbecamemarkedlydifferent.Intheworldofcapuchins,grapesareluxurygoods(andmuchpreferabletocucumbers).Sowhenonemonkeywashandedagrapeinexchangeforhertoken,thesecondwasreluctanttohandhersoverforamerepieceofcucumber.Andifonereceivedagrapewithouthavingtoprovidehertokeninexchangeatall,theothereithertossedherowntokenattheresearcheroroutofthechamber,orrefusedtoacceptthesliceofcucumber.Indeed,themerepresenceofagrapeintheotherchamber(withoutanactualmonkeytoeatit)wasenoughtoinduceresentmentinafemalecapuchin.Theresearcherssuggestthatcapuchinmonkeys,likehumans,areguidedbysocialemotions.Inthewild,theyareaco-operative,group-livingspecies.Suchco-operationislikelytobestableonlywheneachanimalfeelsitisnotbeingcheated.Feelingsofrighteousindignation,itseems,arenotthepreserveofpeoplealone.Refusingalesserrewardcompletelymakesthesefeelingsabundantlycleartoothermembersofthegroup.However,whethersuchasenseoffairnessevolvedindependentlyincapuchinsandhumans,orwhetheritstemsfromthecommonancestorthatthespecieshad35millionyearsago,is,asyet,anunansweredquestion.21.Intheopeningparagraph,theauthorintroduceshistopicby________.[A]posingacontrast资料来源：中国教育在线资料来源：中国教育在线[B]justifyinganassumption[C]makingacomparison[D]explainingaphenomenon22.Thestatement“itisalltoomonkey”