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1、Unit4WildlifeprotectionPeriod1WarmingUp&Reading课后阅读训练Ⅰ.阅读理解AWhatdothefollowinganimalshaveinmon?Pandas,rhinoceros,Mexicanburrowingsnakes,pinkpigeonsandsmalltoothsawfish.Theyareallendangeredanimals!Animalsbeeendangeredforavarietyofreasons.Sadly,humansarebehindeveryoneofthem!For
2、centuries,humanshavehuntedelephantsfortheirtusks,andkilledtigersfortheirbeautifulfurs,caughtfishforfood.Whilewestillhaveelephants,tigers,andfishinthewild,wecannotsaythesameaboutmanyothersthathavesimplydiedout!Year1505wasadreadfulturningpointinthenaturalhistoryoftheislandofMau
3、ritius—EuropeansailorsdiscoveredthisbeautifulislandintheIndianOceanandbroughtdogs,pigs,monkeyswiththem.Thearrivalofhumansandthoseintroducedanimalspecieswerebadnewsfordodobirds.About50poundsandflightless,dodobirdsdidnothaveanynaturalenemiesuntilthen.Theypickedfruitsfallenfromt
4、reesandbuilttheirnestsontheground.ShortlyafterhumanssetfootonMauritius,however,dodobirdsrealizedthattheywereinbigtrouble—menkilledthemfortheirmeat,andthoseintroducedanimalspeciesdestroyedtheirnestsandatetheireggs.Theeffectsofexcessive(过度的)huntingandforeignspeciesdrovedodobird
5、stofirstbeemuchfewerandthendieout.Thelastdodobirdwaskilledin1681.Humansandanimalshavealwayspetedforlandandothernaturalresources.Weclearanareaofaforestforfarming.Wecutdowntreesandusewoodtobuildbeautifulhouses.Webuildreservoirs(水库)tomakesurethatwehaveenoughwatertouse.Atthesamet
6、imethatwearetryingtomakeourlifefortable,wedestroythehabitatsofwildanimals.Morethanoncewehaveseenontelevisionthatrescueworkersaretryingtheirbesttosaveseabirdsinspilled(泄漏的)oil.Morethanoncewehaveheardabouthowemissionsofcarbondioxide(二氧化碳的排放)andothergaseshaveraisedtheEarthtemper
7、atureandcausedglobalwarming.Pollutionhasaseriousandlong-lastingeffect.IfwechoosetodonothingandcontinuetopolluteourplanetEarth,ournextgenerationswillhavetofaceanEarthwithoutbirdssingingandbeastsroaring.【语篇概述】本文主要介绍了导致许多动物灭绝的原因,我们人类应该保护野生动物,保护地球。1.Howmanyreasonsaregivenbytheaut
8、hortoexplainwhytheanimalsbeeendangered?A.3. B.4. C.5. D.6.【
