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2005年全国硕士研究生入学考试英语试题及参考答案SectionⅠUseofEnglishDirections：Readthefollowingtext.Choosethebestword（s）foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1（10points）Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,1thisislargelybecause,2animals,westandupright.Thismeansthatournosesare3toperceivingthosesmellswhichfloatthroughtheair,4themajorityofsmellswhichsticktosurfaces.Infact5,weareextremelysensitivetosmells,6wedonotgenerallyrealizeit.Ournosesarecapableof7humansmellsevenwhentheseare8tofarbelowonepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,9othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate10smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend11tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell12cansuddenlybecomesensitivetoitwhen13toitoftenenough.Theexplanationforinsensitivitytosmellseemstobethatbrainfindsit14tokeepallsmellreceptorsworkingallthetimebutcan15newreceptorsifnecessary.Thismay16explainwhywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot17oftheusualsmellofourownhousebutwe18newsmellswhenwevisitsomeoneelse's.Thebrainfindsitbesttokeepsmellreceptors19forunfamiliarandemergencysignals20thesmellofsmoke,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]therefore6.[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]atlarg[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]availabe[B]reliable[C]identifiable[D]suitable20.[A]similarto[B]suchas[C]alongwith[D]asidefromSectionⅡReadingComprehensionPartADirections：Readthefollowingfourtexts.AnswerthequestionsbeloweachtextbychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1（40points）水秀中华水秀中华2Text1Everybodylovesafatpayrise.Yetpleasureatyourowncanvanishifyoulearnthatacolleaguehasbeengivenabiggerone.Indeed,ifhehasareputationforslacking,youmightevenbeoutraged.Suchbehaviourisregardedas“alltoohuman”,withtheunderlyingassumptionthatotheranimalswouldnotbecapableofthisfinelydevelopedsenseofgrievance.ButastudybySarahBrosnanandFransdeWaalofEmoryUniversityinAtlanta,Georgia,whichhasjustbeenpublishedinNature,suggeststhatitalltoomonkey,aswell.Theresearchersstudiedthebehaviouroffemalebrowncapuchinmonkeys.Theylookcute.Theyaregood-natured,co-operativecreatures,andtheysharetheirfoodtardily.Aboveall,liketheirfemalehumancounterparts,theytendtopaymuchcloserattentiontothevalueof“goodsandservices”thanmales.SuchcharacteristicsmakethemperfectcandidatesforDr.Brosnan'sandDr.dewaal's；study.Theresearchersspenttwoyearsteachingtheirmonkeystoexchangetokensforfood.Normally,themonkeyswerehappyenoughtoexchangepiecesofrockforslicesofcucumber.However,whentwomonkeyswereplacedinseparatebutadjoiningchambers,sothateachcouldobservewhattheotherwasgettinginreturnforitsrock,theirbecamemarkedlydifferent.Intheworldofcapuchinsgrapesareluxurygoods（andmuchpreferabletocucumbers）Sowhenonemonkeywashandedagrapeinexchangeforhertoken,thesecondwasreluctanttohandhersoverforamerepieceofcucumber.Andifonereceivedagrapewithouthavingtoprovidehertokeninexchangeatall,theothereithertossedherowntokenattheresearcheroroutofthechamber,orrefusedto；acceptthesliceofcucumberIndeed,themerepresenceofagrapeintheotherchamber（withoutanactualmonkeytoeatit）wasenoughtoreduceresentmentinafemalecapuchin.Theresearchessuggestthatcapuchinmonkeys,likehumans,areguidedbysocialemotions,inthewild,theyareaco-operative,grouplivingspecies,Suchco-operationislikelytobestableonlywheneachanimalfeelsitisnotbeingcheated.Feelingsofrighteousindignation,itseems,arenotthepreserveofpeoplealone,Refusingalesserrewardcompletelymakesthesefeelingsabundantlycleartoothermembersofthegroup.However,whethersuchasenseoffairnessevolvedindependentlyincapuchinsandhumans,orwhetheritstemsformthecommonancestorthatthespecieshad35millionyearsago,is,asyet,anunansweredquestion.21.Intheopeningparagraph,theauthorintroduceshistopicbyA.posingacontrast.B.justifyinganassumption.C.makingacomparison.D.explainingaphenomenon.22.Thestatement“itisalltoomonkey”（Lastline,paragraphl）impliesthatA.monkeysarealsooutragedbyslackrivals.B.resentingunfairnessisalsomonkeys'nature.C.monkeys,likehumans,tendtobejealousofeachother.D.noanimalsotherthanmonkeyscandevelopsuchemotions.23.FemalecapuchinmonkeyswerechosenfortheresearchmostprobablybecausetheyareA.moreinclinedtoweighwhattheyget.B.attentivetores