2013人教版选修六unit4《global warming》word教案2

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1、英语：Unit4《Globalwarming》教案（2）（新人教版选修6）Period4UsingLanguageTeachingGoals:1.Todiscussandreadaboutglobalwarming.2.Tolearntowriteaposter.TeachingProcedures:Step1.WarmingupTurntopage30.Listentothetapeandfollowinalowvoice.Pausewherethereaderpauses.Payattentiontothepronunciationandintonation.Step2.R

2、eading1.IndividualworkWhenyoureadthetextforthesecondtimeyouaresupposedtounderlinealltheusefulcollocations.Youhavetocopythemintoyournotebook.IhopeyoucanfullyunderstandtheimportanceofexpressionsinEnglishlearning.2.GroupworkDiscussingroupsthecollocationsfromthetext.Doaprojecton…;do…about…haveef

3、fecton…;startwith…getsuggestions;havetopowerto;makeadifference;putupwith…comefrom…reducethecarbondioxidecontent;bestartedwith…;useenergyin…leave…on;turn…off;turnuptheheat;rideabike;make…from…;bemadefromrecycledmaterials;saveenergy;planttreesinthegarden;absorbcarbondioxidefrom…;talkwith…about

4、…Step3.WritingYouaregoingtomakeapostertotellyourschoolmateswaystoreducetheamountofcarbondioxideintheair.Foryourreference:HowToReducetheAmountofCarbonDioxideGoingintotheAir.Usepublictransportation,walkorbiketoschoolorwork.Ifyoumustdrive,joinacarpoolanduseacarthatgetshighmileage.●Useenergy-eff

5、icientappliancesandweatherizeyourhome.●Userenewableenergysources,likesolarheartorwindpower,whichdon’temitcarbondioxide.●Switchfromcoalandoiltonaturalgasinpowerplantsandfactories.Naturalgasreleasestheleastamountofcarbondioxide.Step4.ListeninganddiscussingNowturntopage31.LiBenisdoinganintervie

6、wwithProfessorChenabouttheuseofdifferentsources.Readthestatementsandlistentothetaperecordingoftheinterviewtodecidewhichstatementtheprofessordoesnotagreewith.We’llhavetostopusingfossilfuels.About90%oftheworld’senergycomesfromfossilfuels.Wecanreplacefossilfuelswithrenewablesourcesofenergy.Nucl

7、earpowerisagoodsourceofenergy.Inthefuture,we’llneednewtechnologiestoreplacefossilfuels.It’sthedevelopedcountrieswhoaretoblameforproducingmostofthecarbondioxide.Step5.ClosingdownDiscusswhatweindividualscandoaboutglobalwarmingingroupsoffour.Non-renew