课标人教实验版高二Module6Unit4-精选文档.ppt

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1、课标人教实验版高二Module6Unit4LanguageStudy广东刘超英AsampleposterFightglobalwarmingCutdownonenergyCutdownoncarbondioxide●Notusingit...?Turnitoff.●Don'tturntheheatup,putonajacket.●Walkorrideabike.●Recycle.●Buyproductsmadefromrecycledmaterials.●Buyenergy-savingproducts

2、.●Planttrees.●Talkaboutglobalwarming.Discoveringusefulwordsandexpressions(P28)Gooverthenewwordsandphrasesintheprevioussections.Thencompleteeachsentencewithoneofthosenewwordsorphrases.11.CharlesKeelingcollected______onthecarbondioxidecontentintheatmospher

3、eoveraforty-yearperiod.Hefoundthattheamountofcarbondioxide_______increasingduringthattime.datakepton2.Althoughweareburningcoalinhuge_________everyyear,wewon't________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto_______wecouldbefacingaglobal_

4、_________.quantitiesrunoutbuildupcatastrophe4.Manyscientistsbelievethatglobalwarminghas__________throughtheburningoffossilfuels.Theydonotthinkthatignoringtheissueisworththe____.comeaboutrisk5.______describesweatherconditionsoveraperiodofyearsinaparticula

5、rplace.Climate6.The_____________ofarisingsealevelwouldbewidespreadflooding.7.TheuseofenergyinSusanna'scountryislow______________theuseofenergyintheUSA.consequencecomparedto8.Thewarmingoftheearthisa_____________thatcausesgreatconcern.9.The________showstem

6、peraturechangesduringthe20thcentury.10.Onehectareofforestcanabsorb23tonsofcarbondioxide____year.phenomenongraphperLookatthetwographsonpage26.Thencompletetheparagraphsaboutthemwithappropriatewords.Thefirstgraphshowstheglobal____________between______and___

7、__.2temperature18602000Thetemperature_________anddecreasedoverthisperiodbutonthewholeit______byaroundonedegreeFahrenheit.Duringthistime,theearthreachedits______temperatureinabout_____anditshighestin2000.increasedroselowest1910Therewasasteady_______inthet

8、emperatureduringthetwentyyearsafter1980.Wecanseefromthegraphthattheearthhasbecome________sinceearlylastcentury.Thesecondgraphshowstheamountof_____________intheincreasewarmercarbondioxideatmospherefrom_____to_____.Thecarbon