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III.ReadingComprehensionSectionADirections:ForeachblankinthefollowingpassagetherearefourwordsorphrasesmarkedA,B,CandD.Fillineachblankwiththewordorphrasethatbestfitsthecontext.Researchhasshownthattwo-thirdsofhumanconversationistakenupnotwithdiscussionoftheculturalorpoliticalproblemsoftheday,notheateddebatesaboutfilmswe'vejustwatchedorbookswe'vejustfinishedreading,butplainandsimple__51__.Languageisourgreatesttreasureasaspecies,andwhatdowe__52__dowithit?Wegossip.Aboutothers'behaviourandprivatelives,suchaswho'sdoingwhatwithwhom,who'sinandwho'sout-andwhy;howtodealwithdifficult__53__situationsinvolvingchildren,lovers,andcolleagues.Sowhyarewekeenongossiping?Arewejustnatural__54__,ofbothtimeandwords?Ordowetalkalotaboutnothinginparticularsimplytoavoidfacinguptothereallyimportantissuesoflife?It'snotthecaseaccordingtoProfessorRobinDunbar.Infact,inhislatestbook,Grooming,GossipandtheEvolutionofLanguage,thepsychologistsaysgossipisoneofthesereally__55__issues.Dunbar__56__thetraditionalviewthatlanguagewasdevelopedbythemenattheearlystageofsocialdevelopmentinordertoorganizetheirmanlyhuntingactivitiesmoreeffectively,oreventopromotetheexchangeofpoeticstoriesabouttheiroriginsandthesupernatural.Insteadhesuggeststhatlanguageevolvedamongwomen.Wedon'tspendtwo-thirdsofourtimegossipingjustbecausewecantalk,arguesDunbar—__57__,hegoesontosay,languageevolvedspecificallytoallowustogossip.Dunbararrivedathischeerytheorybystudyingthe__58__ofthehigherprimates（灵长类动物）likemonkeys.Bymeansofgrooming--cleaningthefurbybrushingit,monkeysformgroupswithotherindividualsonwhomtheycanrelyforsupportintheeventofsomekindofconflictwithinthegroupor__59__fromoutsideit.Aswehumanbeingsevolvefromaparticularbranchoftheprimatefamily,Dunbar__60__thatatonetimeinourhistorywedidmuchthesame.Groupingtogethermadesensebecausethebiggerthegroup,thegreaterthe__61__itprovided;ontheotherhand,thebiggerthegroup,thegreaterthestressesoflivingclosetoothers.Groominghelpedto__62__thepressureandcalmeverybodydown.Butasthegroupsgotbiggerandbigger,theamountoftimespentingroomingactivitiesalsohadtobe__63__tomaintainitseffectiveness.Clearly,amore__64__kindofgroomingwasneeded,andthuslanguageevolvedasakindofvocal（有声的）groomingwhichallowedhumanstodeveloprelationshipwithever-largergroupsbyexchanginginformationoverawidernetworkofindividualsthanwouldbepossiblebyone-to-one__65__contact.51.A.claimB.descriptionC.gossipD.language52.A.occasionallyB.habituallyC.independentlyD.originally53.A.socialB.politicalC.historicalD.cultural54.A.admirersB.mastersC.usersD.wasters55.A.vitalB.sensitiveC.idealD.difficult56.A.confirmsB.rejectsC.outlinesD.broadens57.A.forinstanceB.inadditionC.onthecontraryD.asaresult58.A.motivationB.appearanceC.emotionD.behaviour59.A.attackB.contactC.inspectionD.assistance60.A.recallsB.deniesC.concludesD.confesses61.A.prospectB.responsibilityC.leadershipD.protection62.A.measureB.showC.maintainD.ease63.A.savedB.extendedC.consumedD.gained64.A.commonB.efficientC.scientificD.Thoughtful65.A.indirectB.dailyC.physicalD.secretSectionBDirections:Readthefollowingthreepassages.Eachpassageisfollowedbyseveralquestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Choosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhavejustread.(A)简单Mostpeopleagreethathonestyisagoodthing.ButdoesMotherNatureagree?Animalscan'ttalk,butcantheylieinotherways?Cantheyliewiththeirbodiesandbehavior?Animalexpertsmaynotcallitlying,buttheydoagreethatmanyanimals,frombirdstochimpanzees,behavedishonestlytofoolotheranimals.Why?Dishonestyoftenhelpsthemsurvive.Manykindsofbirdsareverysuccessfulatfoolingotheranimals.Forexample,abirdcalledtheploversometimespretendstobehurtinordertoprotectitsyoung.Whenapredator（猎食动物）getsclosetoitsnest,theploverleadsthepredatorawayfromthenest.How?Itpretendstohaveabrokenwing.Thepredatorfollowsthehurtadult,leavingthebabybirdssafeinthenest.Anotherkindofbird,thescrubjay,buriesitsfoodsoitalwayshassomethingtoeat.Scrubjaysarealsothieves.Theywatchwhereothersburytheirfoodandstealit.Butcleverscrubjaysseemtoknowwhenathiefiswatchingthem.Sotheygobacklater,unburythefood,andburyitagainsomewhereelse.Birdscalledcuckooshavefoundawaytohavebabieswithoutdoingmuchwork.How?Theydon'tmakenests.Instead,theygetintootherbirds'nestssecretly.Thentheylaytheireggsandflyaway.Whenthebabybirdscomeout,theiradoptiveparentsfeedthem.Chimpanzees,orchimps,canalsobesneaky.Afterafight,thelosingchimpwillgiveitshandtotheother.Whenthewinningchimpputsoutitshand,too,thechimpsarefriendlyagain.Butananimalexpertoncesawalosingchimptakethewinner'shandandstartfightingagain（表现之一）.Chimpsaresneakyinotherways,too.Whenchimpsfindfoodthattheylove,suchasbananas,itisnaturalforthemtocryout.Thenotherchimpscomerunning.Butsomecleverchimpslearntocryverysoftly（考察同义转换softly）whentheyfindfood.Thatway,otherchimpsdon'thearthem,andtheydon'tneedtosharetheirfood.Aschildren,manyofuslearnthesayingYoucan'tfoolMotherNature.Butmaybeyoucan'ttrusther,either.66.Aploverprotectsitsyoungfromapredatorby____D__.A.gettingclosertoitsyoungB.drivingawaytheadult