UNIT4 Global warming

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1、Module6Unit4Warming-upandReadingLead-inIsenergyimportanttous?Why?Doyouknowanythingthatconsumeenergyinourdailylife?(消耗)stovelightthingsthatuseenergyinyourhomemicro-waveovenairconditionermp4televisionhairdryervideoplayerfridgecomputerwashingmachinestove火炉br

2、ainstormingwindcoaloilwaterDoyouknowanykindofenergyresource?nuclearpowersolarpowerEnergysourcesRenewable/non-renewableWindCoalOilNuclearpowerSunWaterrenewable可再生的renewablerenewablenon-renewable不可再生的non-renewablenon-renewableGlobalwarmingreasonsArisingpopu

3、lationTheuseofenergyGreenhousegasesBurningoffossilfuels(coal,oilandnaturalgas)AgriculturalindustryDestructionofforestsWhatisthegreenhousemadeandusedfor?GreenhouseAgreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.GreenhouseEffec

4、t温室效应ReadingTheearthisbecomingwarmer——Butdoesitmatter?FirstReadingGetanoverviewofthestructure(结构)ofthisarticle.Wheremayyouseethearticle?Amagazine.B.AdiaryC.AnovelD.AstoryThenfinishtheexerciseI&IIonP49ofyourreferencebook.Glancequicklyatthemagazinearticlean

5、danswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrong.EarthCare.Carefulreading2.Whatarethenamesofthethreescientistsmentionedinthearticle?Dr.JaniceFoster,CharlesKeelingandGeorgeHambley.3.Whatdotheythinkaboutglobalwarming

6、?Dotheyagreewithoneanother?Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.CharlesKeelingbelievesitistheburningofmoreandmorefossilfu

7、elsthatisresultinginabigincreaseincarbondioxide.GraphIshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Whatarethetwographsabout?浓度单位Graph2isaboutthecarbondioxidecontentintheatmosphere,1958--1990.Exercise2Thetemperatureinthelastcenturydidn

8、’tseemtoincreasemuch.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarmi