文档介绍：2019年6月大学英语四级真题完整版(第3套)PartIWriting(30minutes)Directions:Forthispart,Ⅱprehension(25minutes)SectionADirections:Inthissection,,,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Ⅲprehension(40minutes)SectionADirections:Inthissection,'tsingoperaorrideabicycledoesn'tmeanthatanimalsdon''(食肉动物),,“esfromtheLatin“colere,”which__29__means“tocultivate.”Inotherwords,itreferstoanythingthatis__30__orlearnt,,culturenotonlyaffectsthewaywelive,butalsowritesitselfintoourgenes,,havingspentmanygenerationshuntingthefatmarinemammalsoftheArctic,ic__31__thathelpthemdigestandutilizethisfat-richdiet,,killerwhaleshavecolonizedarangeofdifferent__33__acrosstheglobe,,,differentpopulationsofkillerwhaleshavehadtolearndifferenthuntingtechniquesinordertogaintheupperhandovertheirlocalprey(猎物).This,inturn,hasamajoreffectontheirdiet,leadingscientiststo__35__thattheabilitytolearnpopulation-specifichuntingmethodscouldbedrivingtheanimals')acquiredE)expressedI)imageM)speculateB)adaptationsF)extendsJ)literallyN)structureC)brutalG)habitat