阅读提升作业(十一)Module3Period3.doc

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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,

2、theproblemisactuallyworldwide.Onseveraloccasionsoverthepastdecade,aheavycloudofairpollutionhascoveredtheentireeasternhalfoftheUnitedStatesandledtohealthwarningseveninruralareasawayfromanymajorconcentrationofmanufacturingandautomobiletraffic.Infact,theveryclimateoftheentireea

3、rthmaybeaffectedbyairpollution.Somescientistsfeelthattheincreasingconcentrationofcarbondioxideintheairresultingfromtheburningoffossilfuels(coalandoil)iscreatinga“greenhouseeffect”—holdinginheatreflectedfromtheearthandraisingtheworld’saveragetemperature.Ifthisviewiscorrectand

4、theworld’stemperatureisraisedonlyafewdegrees,muchofthepolaricecapwillmeltandcitiessuchasNewYork,Boston,Miami,andNewOrleanswillbeunderwater.Anotherview,lesswidelyheld,isthatincreasingparticulate(微粒、颗粒)matterintheatmosphereisblockingsunlightandloweringtheearth’stemperature─are

5、sultthatwouldbeequallydisastrous.Adropofjustafewdegreescouldcreatesomethingclosetonewiceageandwouldmakeagriculturedifficultorimpossibleinmanyofourtopfarmingareas.Atpresentwedonotknowforsurethateitheroftheseconditionswillhappen(thoughonerecentgovernmentreportpreparedbyexperts

6、inthefieldconcludedthatthegreenhouseeffectisverylikely).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.Aspointedoutatthebeginningofthepassage,peopleusedtothinkthatairpollution______

7、_.A.causedwidespreaddamageinthecountryside[来源:Zxxk.Com]B.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.Asfarasthegreenhouseeffectisconcerned,theauthor_______.A.share

8、sthesameviewwiththescientistsB.isuncertainofitsoccurrenceC.rejectsitasbeing