高中英语ViolenceofNaturePeriod3Grammar语法专题课课后阅读作业.docx

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1、Module3ViolenceofNaturePeriod3GrammarⅠ.阅读理解Itwasoncethoughtthatairpollutionaffectedonlytheareaimmediatelyaroundlargecitieswithfactoriesandheavyautomobiletraffic.Today,weknowthatalthoughthesearetheareaswiththeworstairpollution,theproblemisactuallyworldwide.On

2、severaloccasionsoverthepastdecade,aheavycloudofairpollutionhascoveredtheentireeasternhalfoftheUnitedStatesandledtohealthwarningseveninruralareasawayfromanymajorconcentrationofmanufacturingandautomobiletraffic.Infact,theveryclimateoftheentireearthmaybeaffecte

3、dbyairpollution.Somescientistsfeelthattheincreasingconcentrationofcarbondioxideintheairresultingfromtheburningoffossilfuels(coalandoil)iscreatinga“greenhouseeffect”—holdinginheatreflectedfromtheearthandraisingtheworld’saveragetemperature.Ifthisviewiscorrecta

4、ndtheworld’stemperatureisraisedonlyafewdegrees,muchofthepolaricecapwillmeltandcitiessuchasNewYork,Boston,Miami,andNewOrleanswillbeunderwater.Anotherview,lesswidelyheld,isthatincreasingparticulate(微粒、颗粒)matterintheatmosphereisblockingsunlightandloweringtheear

5、th’stemperature─aresultthatwouldbeequallydisastrous.Adropofjustafewdegreescouldcreatesomethingclosetonewiceageandwouldmakeagriculturedifficultorimpossibleinmanyofourtopfarmingareas.Atpresentwedonotknowforsurethateitheroftheseconditionswillhappen(thoughonerec

6、entgovernmentreportpreparedbyexpertsinthefieldconcludedthatthegreenhouseeffectisverylikely).Perhaps,ifweareverylucky,thetwotendencieswilloffseteachotherandtheworld’stemperaturewillstayaboutthesameasitisnow.【语篇概述】本文阐述了大气污染可能导致的两种结果。1.Aspointedoutatthebeginnin

7、gofthepassage,peopleusedtothinkthatairpollution　　　.A.causedwidespreaddamageinthecountrysideB.affectedtheentireeasternhalfoftheUnitedStatesC.haddamagingeffectsonhealthD.existedmerelyinurbanandindustrialareas【解析】选D。细节理解题。由文章开头可知。过去人们认为空气污染主要存在于大城市中。2.Asfarasth

8、egreenhouseeffectisconcerned,theauthor　　　.A.sharesthesameviewwiththescientistsB.isuncertainofitsoccurrenceC.rejectsitasbeingungroundedD.thinksthatitwilldestroytheworldsoon【解析】选B。推理判断题。文章第一段论述了温室