山西省晋中市平遥县第二中学2019_2020学年高二英语12月月考试题.doc

《山西省晋中市平遥县第二中学2019_2020学年高二英语12月月考试题.doc》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、山西省晋中市平遥县第二中学2019-2020学年高二英语12月月考试题第一部分：阅读理解（共两节，满分60分）第一节（共15小题；每小题3分，满分45分）阅读短文，从每题所给的A、B、C、D四个选项中，选出最佳答案。ATheAfricanelephant,thelargestlandanimalremainingonearth,isofgreatimportancetoAfricanecosystem(生态系统).Unlikeotheranimals,theAfricanelephantistoagr

2、eatextentthebuilderofitsenvironment.Asabigplant-eater,itlargelyshapestheforest-and-savanna(大草原)surroundingsinwhichitlives,thereforesettingthetermsofexistenceformillionsofotheranimalsthatliveinitshabitat(栖息地).Itistheelephant'sgreatdesireforfoodthatmakesi

3、tadisturberoftheenvironmentandanimportantbuilderofitshabitat.Initscontinuoussearchforthe300poundsofplantsitmusthaveeveryday,itkillssmalltreesandunderbushes,andpullsbranchesoffbigtrees.Thisresultsinnumerousopenspacesinbothdeeptropicalforestsandinthewoodl

4、andsthatcoverpartoftheAfricansavannas.Intheseopenspacesarenumerousplantsinvariousstagesofgrowththatattractavarietyofotherplant-eaters. Taketherainforestsforexample.Intheirnaturalstate,thespreadingbranchesoverheadshutoutsunlightandpreventthegrowthofplant

5、sontheforestfloor.Bypullingdowntreesandeatingplants,elephantsmakeopenspaces,allowingnewplantstogrowontheforestfloor.Insuchsituations,theforestsbecomesuitableforlargehoofedplant-eaterstomovearoundandforsmallplant-eaterstogettheirfoodaswell.-13- Whatworri

6、esscientistsnowisthattheAfricanelephanthasbecomeanendangeredspecies.Iftheelephantdisappears,scientistssay,manyotheranimalswillalsodisappearfromvastareasofforestandsavanna,greatlychangingandworseningthewholeecosystem.1.Whatisthepassagemainlyabout?A.Disap

7、pearanceofAfricanelephants.B.ForestsandsavannasashabitatsforAfricanelephants.C.TheeffectofAfricanelephants'searchforfood.D.TheeatinghabitofAfricanelephants.2.Whatdoestheunderlinedphrase“settingtheterms”mostprobablymean?A.Fixingthetime.B.Worseningthestat

8、e.C.Improvingthequality.D.Decidingtheconditions.3.Whatdoweknowabouttheopenspacesinthepassage?A.Theyresultfromthedestructionofrainforests.B.TheyprovidefoodmainlyforAfricanelephants.C.Theyarehometomanyendangeredanimals.D.Theyareatt