unit4词汇听写文章

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1、THEEARTHISBECOMIGWARMER------BUTDOESITMATTER?听写词汇Duringthe20thcenturythetemperatureoftheearth1.____aboutonedegreeFahrenheit.That2._______doesnotseemmuchtoyouorme,butitisa3.______increasewhencomparedtoothernatural4._______.Sohowhasthis5.__________anddoesitmatter?Earthcare

2、’sSophieArmstrong6._________.ThesequestionsThereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishuman7._______thathascausedthis8.________warmingratherthana9._______butnatural10._____________.roseprobablyrapidchangescomeaboutexploresactivityglobalrandomphenomen

3、onAllscientists1.____________theviewthattheincreaseintheearth’stemperatureisduetotheburningof2.____________likecoal,naturalgasandoiltoproduceenergy.Some3.__________ofthisprocess4.___________“greenhouse”gases,themostimportantoneof5._______iscarbondioxide.DrJaniceFosterexp

4、lains:“Thereisanaturalphenomenonthat6._________callthe“greenhouseeffect”.Thisiswhensmallamountsofgasesinthe7.___________,likecarbondioxide,methaneandwatervapour,trapheatfromthesunand8.___________warmtheearth.fossilfuelssubscribetobyproductsarecalledwhichscientistsatmosph

5、erethereforeWithoutthe‘greenhouseeffecttheearthwouldbeaboutthirty-threedegreesCelscius9.______thanitis.So,weneedthosegases.Theproblem10._______whenweaddhuge11.____________extracarbondioxideintotheatmosphere.Itmeansthatmoreheatenergy12.________to13.___________intheatmosph

6、ere14.________theglobaltemperatureto15._______.beginsquantitiesoftendsbetrappedcausinggoupcoolerWeknowthatthelevelsofcarbondioxide1._____________greatlyoverthelast100to150years.Itwasascientist2._______CharlesKeeling,3._______made4._________5._____________oftheamountofcar

7、bondioxideintheatmospherefrom1957to1997.Hefoundthatbetweentheseyearsthecarbondioxideintheatmospherewentupfromaround315partstoaround370parts6.______million(seeGraph2)haveincreasedcalledwhoaccuratemeasurementsperAllscientistsacceptthis7.______.Theyalsoagreethatitistheburni

8、ngofmoreandmorefossilfuelsthathas8.__________thisincreaseincarbondioxide.Sohowhighwillthetemperatureinc