专题02 阅读理解(说明文)(解析版).docx
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1、专题02阅读理解:说明文PaSSaRe1.1202,江苏Jfe城模拟1】1.,hcma1.ewesterntanager(唐纳很)100kS1.ikea1.itt1.ef1.ame,whi1.efema1.esarc1.essshowy,adustyye1.1.ow.In(hespring,theypreparetoInOVCthousandsofmi1.estotheMountainWestofCentra1.America,f1.yingthroughgrass1.ands,deserts,andoccasiona1.1.y,suburbanyards.Tbfue1.Ihernon(hei
2、r1.engthyjourney,westernIandgCnifi1.1.uponinsectsandberries.Butasg1.oba1.c1.imatechangecausesspringtostartear1.ier,birdssuchaswesterntanagersarcarrivinga1.theirdestinationafterwhatsknownastgrcen-up,whenf1.owersbeginb1.oomingandinsectsemerge.According(oastudypub1.ishedinear1.yMarchinthejourna1.PNAS.t
3、hiskindoftimingmismatchbetweenmigrants(It移动物)andtheirfoodsources,whichishappeningacrossNorthAmerica,cou1.dhaveseriousconsequencesformigratorybirdssurviva1.MIndiscussingc1.imatechange,weoftenfocusonwanning,*saysScott1.oss,aco-authorofthestudy.fceButthe1.engthandtimingofseasons-1.ikewhenwinterendsands
4、p11ngbeginsaresomeof(hemostdramaticeffectsofc1.imatechange/*1.ossandhisco1.1.eaguesusedsa1.e1.1.i1.eimagen/from2002Io2021Ioca1.cu1.atetheaveragestartofspringgreen-upa1.ongthetypica1.migrationroutesof150NonhAmeriCanbirdspecies,thencomad(hat1.imingWiIhtheCUrrCntgiven-up.Theyfoundthatspringisindeedbegi
5、nningear1.iera1.ongbirdsmigrationroutes.oBycontrarj.previousstudieshavemain1.yfocusedonsongbirdsinEasternNorthAmerica;saysMorganTing1.ey,anornitho1.ogistatUC1.AJbutthisnewinvestigationshowsthatbirdspeciesintheWestandatdifferent1.eve1.softhefoodwebInigh1.bejustasvu1.nerab1.e(i5Sfft),“Pur1.ofitisknowi
6、ngwhichspeciesarevu1.nerab1.etovariousthreats/*1.osssays.Thisaddstotheknow1.edgeaboutv1.nerabi1.ityofawiderangeofbirdspecies.*Andhehopesthattheinformationwi1.1.servetohigh1.ighttheurgentneedto1.owergreenhouse-gasemissionsasfastaspossib1.e.oItsrea1.1.yimportant,ifwecantaddressc1.imatechangeimmediate1
7、.y,totrytostophabitat1.ossasmuchaswecan.”1. Wha1.mayposeadirxtthreattowesternUinagcrsYurvivaI?A.G1.oba1.wanning.B.Thedurationofchangingseasons.C.1.ossofhabitatsdue(ohunanactivities.D.Decreasedaccesstofoodsduringmigration.2. Whatisuniqueabout(henewstudyonbirds1.ikewesterntanagers?A.Itcoversawi(tergeo
8、graphicrange.B.Itrevea1.sthedec1.ineinbirdpopu1.ationsC.Itcentersontheadaptationofbirdspecies.D.Itensurestheexistenceofatimingmismatch.3.Whatdocs1.osssuggestwedotosafeguardmigratorybirds?A.1.essentheeffectsofc1.imatechange.C.Addressemissionsandhabitat1.oss.4.Whereis1.hetextInOSI1.ikdyfrom?A.Ascienti
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