八年级英语时文阅读~WEEK 15 自然环境~有答案.doc

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1、WEEK15自然环境（2）一、完形填空（共20小题；共35分）AToohot?Somemountainsofferclimateanimalslotsofland.Pikas(兔鼠)likelivingthere.Whenitgetswarm,theylike1 uphill.Theylookforcoolerenvironmentstheylikebetter.Andpikasaren'talone.A2011studyfoundthatmanymountain2 movetheirlivingplace.Theymoveuphillbya

2、bout11meterseverytenyearssincethe1960s.Scientiststhinkthiswouldbe3 newsfortheanimals.Forone,thehigherupamountaintheytravel,the4 spacethattheycanlivein.Afterall,mountainslooklikepyramids,right?Inmany5 ,animalslikepikasandbirdsmayactuallygetgroundwhentheymoveuphill,thestudysh

3、ows.PaulElsenisascientist.Histeampublishedits6 onMay18inNatureClimateChange.Mostscientiststhoughtthathigherlivingplaceformigrating(迁移)animalsbecame7 andsmaller.Ifitistrue,thatwouldmeanthatmanyearth-warminganimalsmightrunoutoftheirnewlivingplace—andface8 .ButElsenstartedtodo

4、ubtaboutthiswhilehewasstudying9 intheHimalayas."That'sahugemountainareainEastAsia.Suchmountainareamightactually10 morelivingplacetosomeanimalsthatlikelivingincoolerenvironments,"hesaid.1.A.playingB.livingC.workingD.eating2.A.animalsB.plantsC.peopleD.flowers3.A.goodB.badC.sh

5、ortD.long4.A.moreB.muchC.littleD.less5.A.seasB.villagesC.mountainsD.cities6.A.lessonB.classC.studyD.paper7.A.smallerB.smallC.bigD.bigger8.A.lifeB.happinessC.luckinessD.death9.A.mathsB.riversC.carsD.birds10.A.offerB.provideC.sendD.takeBScientistsintheUKaresurprisedthatsomany

6、flowersareinbloom(开花期)thiswinter.Theysaidthatinusualyears,between20and30kindsofflowersandplantsareopen.However,onNewYear'sDay,scientistsfound368differentkindsinbloom.Scientistsbelievesomanyflowersareinbloombecauseofclimatechange(气候变化).LastyearwasthewarmestyearBritainhasever

7、had.Dr.TimRichtoldtheBBCabouthissurprisingatthenumberofflowershesawatthestartofthisyear.Hesaid,"Fiftyyearsago,itwasdifficulttofindplantsinwinter.Butitseemseverything'sbecomingdifferent."Hesaidsomeflowerswereinbloomfivemonthsearlier.ScientistRichexplainedhowtheweatheraffects

8、flowers.TheflowersareusuallykilledbythecoldinDecember.Hesaid,"Wearenowinourfourthw