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1、2019-2020年高考英语一轮复习Module6AnimalsinDanger练习外研版必修5Ⅰ.阅读理解(xx·贵州七校联考)Thelargestlandanimalremainingontheearth,theAfricanelephant,isofmuchimportancetotheAfricanecosystem.Unlikeotheranimals,theAfricanelephantistoagreatextentthebuilderofitsenvironment.Asagiantplanteater,itsignificantlyshapesth
2、eforest－and－savannasurroundingsinwhichitlives,thereforedecidingtheconditionsofexistenceformillionsofotheranimalsthatliveinitshabitat.Itistheelephant'sgreatdesireforfoodthatmakesitbothadisturberoftheenvironmentandanimportantbuilderofhabitat.Initscontinuoussearchforthe300poundsofplantsit
3、musthaveeveryday,itkillssmalltreesandbushes,aswellaspullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinnotonlydeeptropicalforestsbutalsothewoodlandsthatcoverpartoftheAfricansavannas.Intheseopenspaces,therearenumerousplantsinvariousstagesofgrowth,whichattractavarietyofotherplant－
4、eaters.Taketherainforestsforexample.Intheirnaturalstates,thespreadingbranchesoverheadshutoutsunlightandpreventthegrowthofplantsontheforestfloor.Bypullingdowntreesandeatingplants,elephantscreateopenspaces,allowingnewplantstogrowontheforestfloor.Insuchsituations,theforestsbeesuitableforl
5、arge－hoofedplant－eaterstomovearoundandforsmall－sizedplant－eaterstoobtaintheirfoodaswell.ScientistsareworriednowthattheAfricanelephanthasbeeanendangeredspecies.Iftheelephantdiesout,scientistssay,manyotheranimalswillalsodisappearfromvastareasofforestsandsavannas,greatlychangingandworseni
6、ngthewholeecosystem.语篇解读：本文是一篇说明文，文章主要介绍了非洲象对非洲大草原生态系统的巨大影响。1．ItcanbeinferredfromthepassagethattheAfricanelephant________.A．isnowthelargestanimalontheearthB．determinesthelivingconditionsofmillionsofotheranimalsinitshabitatC．hasfar－reachingimpactsonitshabitatasagiantanimal－eaterD．makesg
7、reatcontributionstoitsenvironmentlikeotheranimals答案：B 推理判断题。根据文章第一段中第三句的“Asagiantplant－eater,itsignificantlyshapestheforest－and－savannasurroundingsinwhichitlives,thereforedecidingtheconditionsofexistenceformillionsofotheranimalsthatliveinitshabitat”可推知，非洲象作为巨大的食草动物，它决定着栖息地的许多其他动物的生活条
