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1、6年模拟【2007-2012】英语汇编：阅读理解之科普知识类2012年模拟题【湖北省八校2012届高三第一次联考】Squirrelsoftencommunicatewithwhistles,chirpsandchucks,whichsoundliketheword“chuck”．Whistlesandchirpsarelikethesoundsthatmanybirdsmake．Nowscientistshavetranslatedsomeoftheirsquirrel-speak．Hare,aprofessorofzoologya
2、ttheUniversityofManilohainWinnipeg,andhisteammanagedtorecordsquirrels'alarmcalls．Theresearchersstudiedthesoundsandthenplayedthembackto60wildsquirrels,whichthescientistsapproachedindividuallywithavideorecordertocapture(抓拍）theirreponses．Somesquirrelsliftedtheirheadsupand
3、became．Alert(警惕的）．Creaturesthatweremorefrightenedsimplyranfortheirlivesanddivedintocaves．"Ineffectthen,whistlesthatmixwithchuckssay'there'sanenemyofaveragethreatthat'shere',andwhistleswithoutchuckssay'there'sanenemyofseeminglyaveragethreataroundheresomewhere',whilepure
4、chirpssay,'I'mhidingherebecausethere'sanimmediatedanger．'"Haretold．DiscoveryNews．Hareandsomeotherresearchersbelievesuchsoundsarcpartofanadvancedlanguagethatdevelopsjustasallothercommunicationsystems．Althoughsquirrelsrisktheirliveswhentheycallouttowarnothersofthreats,ot
5、hersquirrelsmightadmirethisbehaviour,thusincreasinglythecaller’ssocialstatus,likehumanswholookuptoheroes.Hareaddedthatotheranimals,suchasbirds,probablyunderstandatleastsomesquirrellanguage,sincetheyalsomaybenefitfromthealarmcalls.Infact,anotherCanadianstudyfoundthatdee
6、p-voiced,black-cappedchickadeeshavetheirownlanguagetoo．Accordingtocertainresearch,therearealotoftidingsinchickadees'calls,suchasdirectingfellows'activities,keepingincontactbetweenmates,andraisingalarms．Whilechickadeesandotherbirdsareoftenwelcomedintogardensbyhomeowners
7、,squirrelsarefrequentlyviewedaspests(害兽）.Harewishesagreaterunderstandingofthecomplexsociallivesandcommunicationsystemsofsquirrelswillprovide“hopethathumanswillgainagreaterappreciationandstopdoingharmtotheseanimals”.1．Thetextmainlytalksabout．A．thestudyonthelanguageofsqu
8、irrelsB．thecomparisonbetweensquirrelsandchickadeesC．thecallingfortheprotectionofsquirrelsD．thewaysforsquirrelstoescap
