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高一英语阅读理解试题（生态、环保类）生态类(1)AWolfinDangerWhatishappeningtothetimberwolftoday?NativeAmericansandearlysettlersoftenwenttosleeptothesoundofalonelylullaby(催眠曲).Itwasthesongofthewolfhowlinginadistantforest.Thereweremanywolvesthen.OnekindwastheNorthAmericantimberwolf.Wolvesareimportanttothebalanceofnaturebecausetheyeatsickandweakanimals.InColorado,peopletriedtohelpdeerbyshootingwolves.Butthenthereweresomanydeerthatmanyofthemstarvedtodeath.Thetimberwolfisontheendangeredspeciallist.Animalsonthislistareindangerofdisappearingfromtheearth.Peopledrovethewolvesawaybycuttingdowntheforeststobuildhouses,towns,andhighways.TimberwolvesarenowfoundonlyinCanada,Alaska,Michigan,andMinnesota.Thisspecialanimalmaysoondisappearfromourforestsforever.Then,itslonelyhowlwillneverbeheardagain.1.Animalsthatareindangerofdisappearingfromtheeartharecalleda_______species.A.endangeredB.livingC.aliveD.lived2.Wolveshelpthebalanceofnaturebecausethey_______.A.areanendangeredspeciesB.eatsickandweakanimalsC.nolongerliveinforestsD.helpthefarmers3.Atonetime,thetimberwolfwasfound_______.A.inmanypartsofNorthAmericaB.onlyinColoradoandCanadaC.intownsandcitiesinAlaskaD.inmanypartsofAfrica4.Whichofthefollowinghappenedfirst?A.Peoplebuilttownsandhighways.B.Thetimberwolfwasdrivenawayfromitshome.C.Peoplecutdowntheforests.D.Timberwolvesareendangeredspecies.5.WhenpeopleinColoradoshotthewolves,theymadeamistakebecause_______.A.thewolveskeptdownthenumberofdeerB.wolvesneverattackedotheranimalsC.thewolveswerestarvingandwouldhavediedanywayD.theykeptthebalanceofnature(2)Unlessgovernmentstakenecessarymeasurestoprotecttigers,theymaydisappearby2010,theWorldWildlifeFundsaidThursday.Theconservation(保护)groupsaidtigernumbershavedecreased(减少)95percentinthepastcenturyandonly5000～7200tigersstillremaininthewild—comparedwithnearlytentimesthatmanyatthestartofthecentury.WWFpublishedanupdateoftheirstudyonFeb.11,1999—WantedAlive:TigersintheWild,markingtheendoftheChineseYearoftheTiger.Thereportstatesthatinspi
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