Unit4-Using-language-公开课课件（一）

Usinglanguage

Whatcanwedoaboutglobalwarming浙江省衢州第二中学林妮HumanactivitiessuchasburningfossilfuelscausetheincreaseofCO2,themostimportantgreenhousegas,whichleadstotheriseoftheearth'stemperature.Whatisglobalwarming?Readthe1stlettercarefullyandtrytofindoutwhatpuzzledthestudent.ReadingSometimeshefeelsthatindividualscanhavelittleeffectonglobalwarmingproblem.But,Hestillthinkspeopleshouldadvocateimprovementsinthewaytheyuseenergytoday.Readthe1stparagraphofthe2ndlettertofindoutwhat'sthewriter'sattitudetowardsthepuzzleofthestudent?1.Together,individualscanmakeadifference.2.Wedonothavetoputupwithpollution.Readthe2ndlettercarefullytolistthesuggestionsgivenbythewriter.Whatcanwedoaboutglobalwarming?reduce:1.Turnanelectricalapplianceoffwhenyou’renotusingit.

2.Putonmoreclothesinsteadofturninguptheheat.3.Walkorrideabikeinsteadoftakingmotorvehicles.reuse:4.Buyproductsthataremadetosaveenergy,suchassecond-handgoods.

recycle:5.Buythingsmadefromrecycledmaterials.

6.Recyclecans,bottles,plasticsandnewspapers.others:7.Planttreesinyourgardenoryourschoolyard.8.Talkwithyourfamilyandfriendsaboutglobalwarming.Theminimumeffortisalsoakindofsupport.

再小的力量也是一种支持。Carrythemout!Whatelsecanwedoaboutglobalwarming?

Alow-carbonlifestyleWhatcanwedotolivea

low-carbonlife?Watchthevideoandtrytofindwhatwecandotolivealow-carbonlife.

Whatcanwedotolivealow-carbonlife?1.Reducetheemissionofco2.

Putvegetablesandfruitsonthebalcony(阳台),asawaytocutemissions(排放)."2.Reusethematerial.Thereisa"GreenHotel,"transformedfromanoldpostoffice.Thehotel'smaterialallcamefromitsformerbuilding.3.Usethenewenergy.ThecityofBaoding,inHebeiProvince,isnowturningintoasolarcity.tolivealow-carbonlifetochangetheglobalwarmingwearestillontheway.……Useimperativesentences(祈使句)inyourposter.Giveyourposteralargeheading.MakeasloganattheendliketheoneattheendoftheletterfromEarthCare.Drawanadvertisingpictureaboutglobalwarming.IngroupsmakeaposterforyourschoolthattellsstudentsvariouswaystheycanreducetheamountofCO2intheair.Sampleposter1.Surftheinternettofindmoreabouthowtodealwiththeglobalwarmingandaddthemtoyourposter.2.Writealettertoyourfriendtointroduceyourpostertothemandaskthemtoprotecttheearthtogether.HomeworkHomeworkDear________,ThesedaysIjustfeltveryfrustrated,forIcannotputupwithpollution.SometimesIfeltthatindividualscanhavelittleeffectonsuchhugeenvironmentalproblems.However,Istillthoughtpeopleshouldadvocateimprovementsinthewayweusetoday.SoIwrotealettertotheEarthCaretoaskforsuggestions.Theytoldmethatmanypeoplewhohaveacommitmentlikeme,buttheydonotbelievetheyhavethepowertodoanythingtoimprovetheenvironment.However,theysaidThat'snottrue.Because,together,individualscanmakeadifference.Wedonothavetoputupwithpollution.Accordingtothesuggestionsthattheygaveme,Imadeaposter,andnowI'dliketoshareitwithyou.Theheading________________________________________________________________________________________________________________________,

Thesuggestions_____________________________________________________________________________________________________________________,

Thepicture_________________________________________________________________________________________________________________________,

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