考研英语阅读理解原文及参考答案docWord格式.docx
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考研英语阅读理解原文及参考答案docWord格式.docx
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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,orrefusedtoaeptthesliceofcucumber.Indeed,themerepresenceofagrapeintheotherchamber(withoutanactualmonkeytoeatit)wasenoughtoinduceresentmentinafemalecapuchin.
Theresearcherssuggestthatcapuchinmonkeys,likehumans,areguidedbysocialemotions.Inthewild,theyareaco-operative,group-livingspecies.Suchco-operationislikelytobestableonlywheneachanimalfeelsitisnotbeingcheated.Feelingsofrighteousindignation,itseems,arenotthepreserveofpeoplealone.Refusingalesserrewardpletelymakesthesefeelingsabundantlycleartoothermembersofthegroup.However,whethersuchasenseoffairnessevolvedindependentlyincapuchinsandhumans,orwhetheritstemsfromthemonancestorthatthespecieshad35millionyearsago,is,asyet,anunansweredquestion.
21.Intheopeningparagraph,theauthorintroduceshistopicby.
[A]posingacontrast
[B]justifyinganassumption
[C]makingaparison
[D]explainingaphenomenon
22.Thestatement“itisalltoomonkey”(Lastline,Paragraphl)impliesthat.
[A]monkeysarealsooutragedbyslackrivals
[B]resentingunfairnessisalsomonkeys’nature
[C]monkeys,likehumans,tendtobejealousofeachother
[D]noanimalsotherthanmonkeyscandevelopsuchemotions
23.Femalecapuchinmonkeyswerechosenfortheresearchmostprobablybecausetheyare.
[A]moreinclinedtoweighwhattheyget
[B]attentivetoresearchers’instructions
[C]niceinbothappearanceandtemperament
[D]moregenerousthantheirmalepanions
24.Dr.BrosnanandDr.deWaalhaveeventuallyfoundintheirstudythatthemonkeys.
[A]prefergrapestocucumbers
[B]canbetaughttoexchangethings
[C]willnotbeco-operativeiffeelingcheated
[D]areunhappywhenseparatedfromothers
25.Whatcanweinferfromthelastparagraph?
[A]Monkeyscanbetrainedtodevelopsocialemotions.
[B]Humanindignationevolvedfromanuncertainsource.
[C]Animalsusuallyshowtheirfeelingsopenlyashumansdo.
[D]Cooperationamongmonkeysremainsstableonlyinthewild.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’tknowforsure?
Thattheevidencewasinconclusive,thescienceuncertain?
Thattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutoftheway?
LotsofAmericansboughtthatnonsense,andoverthreedecades,some10millionsmokerswenttoearlygraves.
Thereareupsettingparallelstoday,asscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciences,enlistedbytheWhiteHouse,totellusthattheEarth’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademy,BruceAlberts,addedthiskeypointintheprefacetothepanel’sreport:
“Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefuture,anditiscriticalt
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