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1、第一部分 必修五 Module6Ⅰ.阅读理解(2015·贵州七校联考)Thelargestlandanimalremainingontheearth,theAfricanelephant,isofmuchimportancetotheAfricanecosystem.Unlikeotheranimals,theAfricanelephantistoagreatextentthebuilderofitsenvironment.Asagiantplanteater,itsignificantlysh
2、apestheforest－and－savannasurroundingsinwhichitlives,thereforedecidingtheconditionsofexistenceformillionsofotheranimalsthatliveinitshabitat.Itistheelephant'sgreatdesireforfoodthatmakesitbothadisturberoftheenvironmentandanimportantbuilderofhabitat.Init
3、scontinuoussearchforthe300poundsofplantsitmusthaveeveryday,itkillssmalltreesandbushes,aswellaspullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinnotonlydeeptropicalforestsbutalsothewoodlandsthatcoverpartoftheAfricansavannas.Intheseopenspaces,t
4、herearenumerousplantsinvariousstagesofgrowth,whichattractavarietyofotherplant－eaters.Taketherainforestsforexample.Intheirnaturalstates,thespreadingbranchesoverheadshutoutsunlightandpreventthegrowthofplantsontheforestfloor.Bypullingdowntreesandeatingp
5、lants,elephantscreateopenspaces,allowingnewplantstogrowontheforestfloor.Insuchsituations,theforestsbecomesuitableforlarge－hoofedplant－eaterstomovearoundandforsmall－sizedplant－eaterstoobtaintheirfoodaswell.ScientistsareworriednowthattheAfricanelephant
6、hasbecomeanendangeredspecies.Iftheelephantdiesout,scientistssay,manyotheranimalswillalsodisappearfromvastareasofforestsandsavannas,greatlychangingandworseningthewholeecosystem.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．Itcanbeinferredfromthepassagetha
7、ttheAfricanelephant________.A．isnowthelargestanimalontheearthB．determinesthelivingconditionsofmillionsofotheranimalsinitshabitatC．hasfar－reachingimpactsonitshabitatasagiantanimal－eaterD．makesgreatcontributionstoitsenvironmentlikeotheranimals答案：B 推理判断
8、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件，即B项正确。2．TheAfricanelep
