外研版高中英语必修3 阅读提升作业(十一) Module 3 Period 3

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1、温馨提示：此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。关闭Word文档返回原板块。阅读提升作业(十一)Module3　Period3Ⅰ.阅读理解Itwasoncethoughtthatairpollutionaffectedonlytheareaimmediatelyaroundlargecitieswithfactoriesandheavyautomobiletraffic.Today,weknowthatalthoughthesearetheareaswiththeworstairpollution,theproblemisactuallyworld

2、wide.Onseveraloccasionsoverthepastdecade,aheavycloudofairpollutionhascoveredtheentireeasternhalfoftheUnitedStatesandledtohealthwarningseveninruralareasawayfromanymajorconcentrationofmanufacturingandautomobiletraffic.Infact,theveryclimateoftheentireearthmaybeaffectedbyairpollution.Somescientistsfeelt

3、hattheincreasingconcentrationofcarbondioxideintheairresultingfromtheburningoffossilfuels(coalandoil)iscreatinga“greenhouseeffect”—holdinginheatreflectedfromtheearthandraisingtheworld’saveragetemperature.Ifthisviewiscorrectandtheworld’stemperatureisraisedonlyafewdegrees,muchofthepolaricecapwillmeltan

4、dcitiessuchasNewYork,Boston,Miami,andNewOrleanswillbeunderwater.Anotherview,lesswidelyheld,isthatincreasingparticulate(微粒、颗粒)matterintheatmosphereisblockingsunlightandloweringtheearth’stemperature─aresultthatwouldbeequallydisastrous.Adropofjustafewdegreescouldcreatesomethingclosetonewiceageandwouldm

5、akeagriculturedifficultorimpossibleinmanyofourtopfarmingareas.Atpresentwedonotknowforsurethateitheroftheseconditionswillhappen(thoughonerecentgovernmentreportpreparedbyexpertsinthefieldconcludedthatthegreenhouseeffectisverylikely).Perhaps,ifweareverylucky,thetwotendencieswilloffseteachotherandthewor

6、ld’stemperaturewillstayaboutthesameasitisnow.【语篇概述】本文阐述了大气污染可能导致的两种结果。1.Aspointedoutatthebeginningofthepassage,peopleusedtothinkthatairpollution_______.A.causedwidespreaddamageinthecountrysideB.affectedtheentireeasternhalfoftheUnitedStatesC.haddamagingeffectsonhealth[来源:学*科*网Z*X*X*K]D.existedmerelyi

7、nurbanandindustrialareas【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.Asfarasthegreenhouseeffectisconcerned,theauthor_______.A.sharesthesameviewwiththescientists[来源:Zxxk.Com]B.isuncertainofitsoccurrenceC