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1、Unit4GlobalWarmingWindenergyisusedaspowertoproduceelectricity.Windmillswhereelectricityisproducedbyburningcoals.Thecoalpowerstationsinwhichoilisrefinedandmadepure.TheOilRefineriesafacilitydesignedtoconvertnuclearenergyintoelectricity.Anuclearpowerplantontheroo
2、fofahouseonabrightsunnydayareusedtocollectsolarenergy,makingyourhousewarmorheatingyourwater.SolarpanelsTheyareusedtokeepbackwaterandraiseitslevelforirrigationorforproducingelectricity,etc.TheHydro-electricdamswindcoaloilnuclearsolarwater1.Haveyoueverseenagreen
3、house?ismadeofglassusedforgrowingplants,especiallyduringcoldweather.GlobalwarmingGreenhousegasestrappedtheheatfromthesun,whichcausesthetemperatureofearthgoesup.ScanningWhatismainlydiscussedinthepassage?A.Whathascausedtheglobalwarmingandwhetheritmatters. B.What
4、effectsoftheglobalwarmingwillbe. C.Howserioustheglobalwarmingcouldbe. D.Whattheglobalwarmingis.FastreadingGlancethearticlequicklyandanswerthequestions:Whowrotethemagazinearticle?Whatisthenameofthemagazine?Whatarethenamesofthethreescientistsmentionedinthearticl
5、e?Whatarethetwographsabout?Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1997?IntensivereadingReadthearticlecarefully.Arethesestatementstrueoffalse?Thetemperatureinthelastcenturydidnotseemtoincreasemuch.Everyonebelievesthatglobalwarmingiscausedby
6、theactivitiesofhumans.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.Itisclearwhattheeffectsofglobalwa
7、rmingwillbe.TTFTTFDiscussionWhatshallwedoforourhomeabouttheGlobalwarming?
