2016届高考英语大二轮复习 第一部分 阅读理解 专题一 阅读理解 第5讲 篇章结构题即时演练

《2016届高考英语大二轮复习 第一部分 阅读理解 专题一 阅读理解 第5讲 篇章结构题即时演练》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、篇章结构题　　建议用时：15分钟A[2015·重庆一中一诊]TheAfricanelephant,thelargestlandanimalremainingonearth,isofgreatimportancetoAfricanecosystem(生态系统).Unlikeotheranimals,theAfricanelephantistoagreatextentthebuilderofitsenvironment.Asabigplanteater,itlargelyshapestheforestandsavanna(稀树

2、草原)surroundingsinwhichitlives,thereforesetting_the_termsofexistenceformillionsofotheranimalsthatliveinitshabitat(栖息地)．Itistheelephant'sgreatdesireforfoodthatmakesitadisturberoftheenvironmentandanimportantbuilderofitshabitat.Initscontinuoussearchforthe300poundsofpl

3、antsitmusthaveeveryday,itkillssmalltreesandunderbushes,andpullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinbothdeeptropicalforestsandinthewoodlandsthatcoverpartoftheAfricansavannas.Intheseopenspacesarenumerousplantsinvariousstagesofgrowththatattractavarie

4、tyofotherplanteaters.Taketherainforestsforexample.Intheirnaturalstate,thespreadingbranchesoverheadshutoutsunlightandpreventthegrowthofplantsontheforestfloor.Bypullingdowntreesandeatingplants,elephantsmakeopenspaces,allowingnewplantstogrowontheforestfloor.Insuchsit

5、uations，theforestsbecomesuitableforlargehoofedplanteaterstomovearoundandforsmallplanteaterstogettheirfoodaswell.WhatworriesscientistsnowisthattheAfricanelephanthasbecomeanendangeredspecies.Iftheelephantdisappears,scientistssay,manyotheranimalswillalsodisappearfrom

6、vastareasofforestandsavanna,greatlychangingandworseningthewholeecosystem.本文主要讲述的就是在非洲草原的生物链中大象的重要作用，它不断的寻找食物拓宽了其他动物的生存空间等。1．Whatisthepassagemainlyabout?A．DisappearanceofAfricanelephants.B．ForestsandsavannasashabitatsforAfricanelephants.C．TheeffectofAfricanelephant

7、s'searchforfood.D．TheeatinghabitofAfricanelephants.答案：C考查主旨大意。本文主要讲述的就是在非洲草原的生物链中大象的重要作用，它不断的寻找食物拓宽了其他动物的生存空间等。故C正确。2．Whatdoestheunderlinedphrase“settingtheterms”mostprobablymean?A．Fixingthetime.　　　　B．Worseningthestate.C．Improvingthequality.D．Decidingtheconditions

8、.答案：D考查词义猜测。根据文章“Asabigplanteater,itlargelyshapestheforestandsavanna(稀树草原)surroundingsinwhichitlives,thereforesettingthetermsofexistenceformillionsofoth