江苏省2012高考英语二轮复习 限时训练专题3 任务型阅读9.doc

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1、2012高考英语二轮复习专题限时训练（江苏专用）专题3任务型阅读9（25分钟）（A）请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。注意：每空格1个单词。Asthma(哮喘)isalong-lastingbreathingdiseasethataffectsmillionsofAmericans,manyofwhomarechildren.Peoplewhogetasthmawillsufferfromlackofbreath,difficultyinbreathingorcoughing

2、---whicharecausedbythetighteningofthemusclesinairways.Untreatedasthmacanleadtopoorlungfunctionanddeath,butasthmacanalsobeeffectivelycontrolledwithpropertreatments.Researchisdiscoveringgenesthatcontributetothedevelopmentofasthma.Thisdevelopmenthaspointedresearc

3、herstotheroleofindoorandoutdoorpollutionasenvironmentalfactorsthatcontributetotheincreasedoccurrenceofasthma.TheIndoorPollutionIndoorpollutionhasincreasedwiththedevelopmentsinbuildingmaterialsandinheatingandairconditioningsystems.Inadditiontopoisonousgasesthat

4、comefrompaint,othermaterialslikedustandperfumesusedinhouseholdproductssuchaswashingpowderarerecycledcontinuouslythroughthehouse,winterandsummer.Unlikethedaysbeforecentralheatingorbeforewhole-houseairconditioning,thesematerialsandchemicalscannotgetoutofmodernho

5、mes.Mostoften,theycausebreathingproblemsinthemembersofthefamilywiththeleast-developedautoimmune(自身免疫的)systems.Properventing（通风）anduseofenvironmentally-friendlybuildingmaterialsandcarpetingcanhelpreducethepresenceofthesechemicals.TheOutdoorpollutionResearchersh

6、avealsoestablishedoutdoorpollution’sroleasaprobablecauseofasthma.Asthmahasbeenproventoresultfromsomefuelproducts.Smogandthesmallmatterscarriedbyithavebeenrecognizedasafactorwhichleadstoasthmasincethe19thcenturywhenLondonsawmoreandmorediseasesintheindustrial6用心

7、爱心专心population.Industrialpollutantsandotherchemicalswhichareproducedinwatertreatmentandopentreatedwaterlikethatfoundintheswimmingpoolsalsocontributetoincreasedcasesofasthmaaswellasotherillnesses.Thosemostaffectedbytheincreaseofindustrialandenvironmentalpolluti

8、onarechildren.AlthoughmuchhasbeendonetocontrolthelevelsofpollutionintheUS,therestillremainsmuchtodoasitisaworldwidephenomenon.Untilaninternationaleffortcanbemadetolimitcarbonemissi