PartA
Directions:
Readthefollowingfourtexts.Answerthequestionsbeloweachtextbychoosing[A],[B],[C]orD.MarkyouranswersonANSWERSHEET1(40points)
Text1
Everybodylovesafatpayrise.Yetpleasureatyourowncanvanishifyoulearnthatacolleaguehasbeengivenabiggerone.Indeed,ifhehasareputationforslacking,youmightevenbeoutr aged.Suchbehaviourisregardedas“alltoohuman,”withtheunderlyingassumptionthatotheranimalswouldnotbecapableofthisfinelydevelopedsenseofgrievance.ButastudybySarahBrosnanandFransdeWaalofEmoryUniversityinAtlanta,Georgia,whichhasjustbeenpublishedinNature,suggeststhatitalltoomonkey,aswell.
Theresearchersstudiedthebehaviouroffemalebrowncapuchinmonkeys.Theylookcute.Theyaregood-natured,cooperativecreatures,andtheysharetheirfoodtardily.Aboveall,liketheirfemalehumancounterparts,theytendtopaymuchcloserattentiontothevalueof“goodsandservices”thanmales.SuchcharacteristicsmakethemperfectcandidatesforDr.Brosnan’sandDr.dewaal’sstudy.Theresearchersspenttwoyearsteachingtheirmonkeystoexchangetokensforfood.Normally,themonkeyswerehappyenoughtoexchangepiecesofrockforslicesofcucumber.However,whentwomonkeyswereplacedinseparatebutadjoiningchambers,sothateachcouldobservewhattheotherwasgettinginreturnforitsrock,theirbehaviourbecamemarkedlydifferent.
Intheworldofcapuchinsgrapesareluxurygoods(andmuchpreferabletocucumbers).Sowhenonemonkeywashandedagrapeinexchangeforhertoken,thesecondwasreluctanttohandhersoverforamerepieceofcucumber.Andifonereceivedagrapewithouthavingtoprovidehertokeninexchangeatall,theothereithertossedherowntokenattheresearcheroroutofthechamber,orrefusedtoacceptthesliceofcucumber.Indeed,themerepresenceofagrapeintheotherchamber(withoutanactualmonkeytoeatit)wasenoughtoreduceresentmentinafemalecapuchin.
Theresearchessuggestthatcapuchinmonkeys,likehumans,areguidedbysocialemotions.Inthewild,theyareacooperative,grouplivingspecies.Suchcooperationislikelytobestable onlywheneachanimalfeelsitisnotbeingcheated.Feelingsofrighteousindignation,itseems,arenotthepreserveofpeoplealone.Refusingalesserrewardcompletelymakesthesefeelingsabundantlycleartoothermembersofthegroup.However,whethersuchasenseoffairnessevolvedindependentlyincapuchinsandhumans,orwhetheritstemsfromthecommonancestorthatthespecieshad35millionyearsago,is,asyet,anunansweredquestion.
21.Intheopeningparagraph,theauthorintr oduceshistopicby________.
[A]posingacontr ast
[B]justifyinganassumption
[C]makingacomparison
[D]explainingaphenomenon
正确答案：C
