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1、2019-2020年高考英语阅读、短文语法填空精练（3）阅读理解。阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。Theearthisgettingwarmer.Overthepast100yearsEarth’stemperaturerosebyabout1°F.ScientistspredictthatEarthwillcontinuetowarmbyabout2—6°Foverthenext100years.Thatmaynotsoundlikemuch,butthinkaboutthis:Duringthel
2、astIceAge,Earthwasonly9°Fcoolerthanitistoday,andlargesheetsoficecalledglaciers(冰河)coveredlargepartsofNorthAmerica!ThewarmingofEarth’sclimateiscalledglobalwarmingScientistsarenotsureofwhatcausesclimatechange.Earthcouldbewarmingonitsown,however,mostscientistsbelievethath
3、umanactivityisspeedinguptheclimatechange.Earthwarmsitselfthroughaprocesscalledthegreenhouse(温室)effect.WhensunlightentersEarth’satmosphere(大气),itpassesthroughalayerofgreenhousegases.Greenhousegasesoccurnaturally,buthumansalsocreatethembyburningfossilfuels.Whensunlighthi
4、tsEarth’ssurfaceitbounces_backtowardthesky.ThegreenhousegasestrapsomeofthesunlightonEarthandallowtheresttogobackintospace,makingEarth’stemperaturewarm.Theprocessworksmuchinthesamewayasagreenhouse,henceitsname.Iftherearetoomanygreenhousegasesintheatmosphere,toomuchsunli
5、ghtmaybetrapped,makingEarthwarmer.ScientistscannotpredictexactlywhatwillhappenasEarth’stemperaturerises.Theybelievearapidclimatechangecouldupsetthebalanceoftheecosystem(生态系统),causingsomelandandmarine(海产的)lifetobeeextinct.Astemperaturesrise,theworld’sglacierswillmelt(融化
6、)intotheocean,causingsealevelstorisebetweenseveralinchestothreefeetduringthenext100years.Highersealevelscouldcausefloodingofcoastallands.Warmeroceanwatercouldcauseincreasedstormactivityonthecoastswhileareasawayfromthecoastsmayexperiencedroughts.Thesearejustafewofthepos
7、sibleeffectsofglobalwarming.1．Thebesttitleforthistextwouldbe________.A．Climate B．ClimateChangeC．GlobalWarmingD．GreenhouseEffect2．HumanscreategreenhousegaseseverytimeEXCEPTwe________.A．playvideogamesB．useahairdryerC．rideinacarD．usesolarenergylights3．Whichofthefoll
8、owingisNOTtheeffectofclimatechange?A．Risingtemperature.B．Theextinctionofsomewildlife.C．Sealevelrising.D．Floodingofcoa
