高中英语人教版选修六Unit4 Using language1课件.ppt

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1、Unit4GlobalWarmingPeriod4UsingLanguageItiscertainthattheearthisbecomingwarmer,buttherearesomeverydifferentattitudestowardstheeffectsofglobalwarming.Somepeopleagreetotheviewthatifglobaltemperaturecontinuesgoingup,itwouldbeadisaster.Globalwarmingwouldcauseariseinsealevel;otherspred

2、ictseverestorms,floods,droughts,famines,thespreadofdiseases,andthedisappearanceofspecies.Ontheotherhand,therearethosewhobelievemorecarbondioxideisactuallyagoodthing.Itwillmakeplantsgrowfaster;cropsproducemoreandencourageagreatervarietyofanimals.Thereisnodoubtthatcatastropheresult

3、inkeepsonagreaterrangeoftheeffectsofglobalwarmingTheeffectsofglobalwarmingReplacetheunderlinedexpressionsbyusingthewords,phrasesandpatternsinthetext.subscribetopositiveWhatcanwedoaboutglobalwarming?Skimthetwolettersonpage30.Circlethewordsthatmeanthesame.onbehalfofhavelittleeffect

4、onmakeadifferenceputupwithcommitmentstandfortoleratebeinfluentialaffectnotsomuchpromisebenotseriousmakesb.feelenergeticconditionscasualrefreshcircumstancesLetterATurnedto____________forhelpThethinghewasdoingatthemoment:EarthCareProblemshecameacross:From____________Aprojectongloba

5、lwarming.Feelings;Uncertainaboutwheretostart.OuYangguangWhatcanwedoaboutglobalwarming?◆Turna(n)___________________offwhenyou’renotusingit.◆Putonmoreclothesinsteadofturningupthe_____.◆Walkor__________insteadoftakingmotorvehicles.◆_______cans,bottles,plasticsandnewspapers.◆Buything

6、smadefrom__________________.◆Buyproductsthatareeconomicalwith_______.◆___________inyourgardenoryourschoolyard.◆Talkwithyourfamilyandfriendsabout________________.electricalapplianceheatrideabikeRecyclerecycledmaterialsenergyPlanttreesglobalwarmingLetterB1.Themostimportantsuggestio

7、nisto_____.A.planttreesasmanyaspossibleB.turnoffallelectricalapplianceswhennecessaryC.talkwiththepeopleandgetthemunderstoodabouttheglobalwarmingD.recyclealltherecycledmaterials细节理解Finallyandmostimportantly,…2.WhichofthefollowingstatementsisFalse?A.Weshouldreducetheuseofplasticbag

8、swheneverpossible.B.Weshouldwalkorrideab