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时间:2018-07-15
《高二奥赛阅读理解专题》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、高二奥赛阅读理解专题专题一II.阅读理解(Readingcomprehension)(共20小题;选择题5小题,每小题1分,非选择题15小题,每小题2分,计35分)A)选择题:阅读下面短文,从A、B、C、D四个选项中,选出能回答所提问题的最佳答案。(答案涂在答题纸上)Everyyearmoreandmoreplantsandanimalsdisappearnevertobeseenagain.Strangely,itisthemostintelligentbutmostthoughtlessanimalthat
2、iscausingmostoftheproblems—man.Natureisverycarefullybalancedandifthisbalanceisdisturbed,animalscandisappearalarmingly(令人担忧地)fast.Everyday,thousandsofspeciesofanimalsdrawclosertoextinction.Therearecountlessnumberofspecieswhichmaybecomeextinctbeforetheyareeven
3、discovered.Inmanylakesthefisharedying.Fishermenareworriedbecauseeveryyeartherearefewerfishandsomelakeshavenofishatall.Scientistsarebeginningtogetworriedtoo.Whatiskillingthefish?Theproblemisacidrain.Acidrainisakindofairpollution.Itiscausedbyfactoriesthatburnc
4、oaloroilorgas.Thesefactoriessendsmokehighintotheair.Thewindoftencarriesthesmokefarfromthefactories.Someoftheharmfulsubstancesinthesmokemaycomedownwiththerainhundredsofmilesaway.Theraininmanyplacesisn'tnaturalandcleananymore.It'sfullofacidchemicals.Whenitfall
5、sinlakes,itchangesthemtoo.Thelakesbecomemoreacidic.Acidwaterislikevinegarorlemonjuice.Ithurtswhenitgetsinyoureyes.Italsokillstheplantsandanimalsthatusuallyliveinlakewater.Thatiswhythefisharedyinginlakes.Butdeadfishmaybejustthebeginningoftheproblem.Scientists
6、arefindingothereffectsofacidrain.Insomelargeareastreesaredying.Notjustonetreehereandthere,butwholeforests.Atfirstscientistscouldn'tunderstandwhy.Therewerenobugsordiseasesinthesetrees.Theweatherwasnotdry.Butnowtheythinkthattherainwasthecause.Acidrainismakingt
7、heearthmoreacidicintheseareas.Somekindsoftreescannotliveinthesoilthatisveryacidic.Nowscientistsarealsobeginningtostudytheeffectsofacidrainonlargeranimals.Forexample,theybelievethatsomedeerinPolandarelesshealthybecauseofacidrain.Ifdeerarehurtbytherain,whatabo
8、utpeople?Thisisthequestionmanypeoplearebeginningtoask.Nooneknowstheansweryet.Butitisanimportantquestionforusall.46.Everyyearthousandsofspeciesofanimals_______.A.arehuntedfortheirmeatsandskinsB.m
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