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1、高考专题十四 猜测词义题基础闯关题组Passage1Inaresearchontheeffectofthetransportsector(运输领域)onclimate,itprovesthatroadtrafficcontributesthemosttoglobalwarming.Theaviation(航空)sectorhasthesecondlargestwarmingeffectwhileshippinghasacoolingeffectontheEarth’sclimate.Thestudycon
2、cludesthatsincepre-industrialtimes,15%ofCO2emissions(排放量)madebyhumanshavecomefromthetransportsector.Thestudyimpliesthatmoreattentionneedstobepaidtothefast-growingroadsector.LookingonlyatCO2emissions,roadtrafficalonehasledtotwo-thirdsofthewarmingcausedbyto
3、taltransportemissions.Thereasonwhyroadtransporttopsthelistismainlyduetothelargenumberofvehiclesontheroadsandthesmallercoolingeffectfromtheiremissions.Theresearcherssaidthattheroademissionsoftodaywillmakeupthreequartersofthewarmingcausedbytransportoverthen
4、exthundredyears.Followingroadtransport,aviationisthesecondlargesttransportcontributortoglobalwarming.However,thehistoricalcontributionfromaviationemissionstoglobalwarmingismorethandoubledthecontributionfromroademissions.Infact,overthenext100years,today’sr
5、oademissionswillhaveaclimateeffectthatisfourtimeshigherthantheclimateeffectfromtoday’saviationemissions.Forshipping,thepictureismorecomplicated.Untilnow,shippinghashadacoolingeffectonclimate.ThisisbecauseshippingproducesalargeamountofSO2,whichhasacoolinge
6、ffect.However,althoughthegas,untilnow,hasgiventheshippingindustryacoolingeffect,thiseffectwilldisappearafterawhile,asthegasdoesn’tlastlongintheatmosphere.Thelong-livedCO2willdominate(占优势),givingshippingawarmingeffectinthelongrun. Ingeneral,thetransportsec
7、tor’scontributiontoglobalwarmingwillbecontinuouslyhighinthefuture.1.Whatcanwelearnaboutroadtraffic?A.Ithasthesecondlargestwarmingeffectonclimate.B.Itproduces15%ofallCO2intotheaireveryyear.C.ItcreatedmoreCO2emissionsthanaviationinhistory.D.ItsCO2emissionsw
8、illprobablyincreaseinfuture.2.Shippinghasacoolingeffectbecause . A.shippingconditionshavebeenimprovedB.theamountofshipsatseaissmallC.itproducesagaswhichhasacoolingeffectD.thegasitproducescanabsorbCO23.Theunderline
