课下天天练(二十)阅读语言运用组合练姓名________班级________考号________时间：45分钟Ⅰ.阅读理解A[2022·太原市高三模拟考试(三)]Wearingacavemanmask,Dr.JohnMarzluffwalksacrossthecampusattheUniversityofWashingtoninSeattle.Crows(乌鸦)circleandsquawk(尖叫),divingathimandgoingaway.Beneaththemask,hesmiles.Daysbeforeheandhisstudents,wearingcavemanmasks,rappedthemandplacedcoloredplasticbandsontheirlegs.Thentheyreleasedtheunhappybirds.Whentheresearcherswanderedaroundcampuswithoutthemasks,thecrowstheyhadcaughtandbandeddidnotreacttothem.Butwhenthesamehumanswalkedbywhilewearingthemasks,thecrowsscoldedloudlyanddivedattheir“enemies”．Atfirst,onlythebandedbirdsreactedaggressivelytothepeopleinmasks.Butinlatertestsmoreandmorecrowsjoinedin,andevenwhenthebandedbirdswerenotaround.“Crowsthinkanddream,fightandplay,reasonandtakerisks，”hesays.“Theiranticsconfuseus.”Thisledhimtostudyhowcrows'brainswork.Heandhisstudentsworeonetypeofmaskastheycapturedcrowsandbroughtthemintothelab,trainingthemtolinkthatfacewithdanger.Thenadifferentkindofmaskformorepositiveactivities,suchasfeedingandcaring.Thenheworkedwithscientistsattheuniversitywhoscananimalbrainstoseewhichpartsofacrow'sbraindocertaintasks.Surprisingly,thescientistsfoundthatwhenthecrowsawthe“danger”mask,onepartofitsbrainbecameactive.Whenthecrowsawthe“feedingandcaring”mask,adifferentpartofitsbrainlitup.Theteamhasshownthatcrowsusethesamepartsoftheirbrainsforrecognizingwhathumansdo—somethingthatwasnotknownbefore!Morethan10yearsafterthefirstmaskexperiment,campuscrowsstillscoldthe“cavemen”．Crowsalsorecognizepeoplewhoarekindtothem.Crowsarealwayswatchingusandtheyremember.1．WhydoesDr.JohnMarzluffsmile?A.Heintendstoshowhiskindness.B.Herealizeshistrickhasworked.C.Heisamusedbythehappycrows.D.Heisembarrassedatthecrows'response.2．Whatdoestheunderlinedword“antics”inthethirdparagraphprobablyreferto?A．Waysofbehaving.B.Huntingtypes.C.Flyingmodels.D.Chancesofsurvival.3．Whichofthefollowingwordscanbestdescribethecrowsaccordingtothetext?A.Soci...
