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1、Module1-2Ⅰ.阅读理解(2015·内蒙古包头一中三模)Electriccarsaredirty.Infact,notonlyaretheydirty,theymightevenbemoredirtythantheirgasolinepoweredcousins.PeopleinCalifornialovetotalkabout“zeroemissions(排放)vehicles”，butpeopleinCaliforniaseemtobe_cluelessaboutwhereelectricitycomesfrom.Powerplantsmostl
2、yusefiretomakeit.Asidefromthefewfolkswhohavetheirroofscoveredwithsolarceils,wegetourelectricityfromgenerators(发电机).Generatorsarefueledbysomething—usuallycoal,oil,andalsobyheatgeneratedinnuclearpowerplants.Thereareafewwindfarmsandgeothermal(地热的)plantsaswell,butbyfarwegetelectricity
3、mainlybyburningsomething.Inotherwords,those“zeroemissions”carsarelikelycoalburningcars.It'sjustbecausethecoalisburnedsomewhereelse,soitlooksclean.Itisnot.It'sasiftheCaliforniagreensarecoveringtheireyes—“IfIcan'tseeit,it'snothappening.”Gasolineisanunbelievablyefficientwaytopowerave
4、hicle;agallonofgashasalotofenergyinit.Butwhenyoutakethatgas[oranotherfuel]andfirstuseittomakeelectricity,youwasteanicepartofthatenergy,mostlyintheformofwastedheat—atthegenerator,throughthetransmissionlines,etc.Agallonofgasmaypropelyourcar25miles.Buttheelectricityyougetfromthatgall
5、onofgaswon'tgetyounearlyasfar—soelectriccarsburnmorefuelthangaspoweredones.Ifourelectricitycamemostlyfromgeothermal,orhydro,orsolar,orwind,thenanelectriccartrulywouldbeclean.Butforpolitical,technical,andeconomicreasons,wedon'tusemuchofthoseenergysources.Inaddition,electriccars'bat
6、terieswhicharepoisonousforalongtimewilleventuallyendupinalandfill(垃圾)andfinally,whencarsarethepolluters,thepollutionisspreadacrossalltheroads.Whenit'sapowerplant,though,allthejunkisinoneplace.Natureisverygoodatcleaningupwhenthingsarenottooconcentrated,butittakesalotlongerwhenallth
7、egarbageisinonespot.语篇解读：本文是一篇议论文。文章阐述了电能汽车并不环保。1．Whatisthemainideaofthepassage?A．Electriccarsarenotcleanatall.B．Electriccarsarebetterthangasolinepoweredones.C．Peoplehavedoubtsaboutelectriccars'batteries.D．Gasolineisaneffectivewaytopoweravehicle.答案：A 主旨大意题。第一段指明了本文主旨“电能汽车并不清洁”，随后的
8、几段都是通过各种证据来证明这一论点的。故选A项。2．Theunde
