北师大版必修三 Protecting the Sea.ppt

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1、Unit7Lesson2ProtectingtheSeaWhathavethehumandonetothesea?ProtectingtheSea?TeachingObjectivesAttheendofthislesson,studentswillbeableto:knowkeywordsabouttheseapollution;makepredictionsaboutthelistening;getspecificinformationabouttheseapollutions;knowthecausesandthesolutionsbylistening;discus

2、sthewaystoprotectthesea.OilpollutionOilpollutedthesea.industrialwasteagriculturalwastechemicalsplasticwasterubbishover-fishingSorry,thefisherjustgotthistoday!News!Overfishingpollutev.pollutionn.over-fishingindustrialwasteagriculturalwasteplasticoilchemicalsrubbishusefulexpressionsIfwegoonp

3、ollutingthesea,whatistheresult?industrialwastefish?plasticwasterubbishswim?Nobluesea!ZhiHongandFangZhouarealsotalkingabout_________________.Whatwilltheysay?Weshouldspreadtheknowledgeaboutprotectingtheseaandletpeoplerealizetheimportanceofthesea.protectingtheseaPre-listeningWhat?Why?How?Whil

4、e-listeningStep1:Listentothefirstpartofthedialogueandanswer:a.Whatistheproblem1?b.Whatistheproblem2?Pollution.Over-fishing.Causesofproblem2(overfishing)Thereare_________________inthesameplace;bettertechnologycan_____________________.toomanyfishermenfishingcatchmorefishthanbeforeStep2:Liste

5、ntothesecondpartofthedialogueandfillintheblanks:Reasonsforproblem1(pollution)chemicalsAllsorts:_________,plastic,rubbish,________;mostofthemfrom_________and____________waste.industrialagriculturaloilSolutionstopollutionSolutionstooverfishingStep3:Listentothethirdpartofthedialogueandmatchth

6、esolutionswiththeproblems:a.punishpolluterswhobreakthelawb.controlthenumberoffishthatpeoplecancatchc.lookforwaystoreducepollutiond.helppeopletogetotherkindsofjobse.banfishingcompletelyf.keeparecordoflevelsofpollutiong.findwhereitcomesfromabcdefgPost-listeningTheseaisendangerednow.Whatcanwe

7、do?Thegovernmentcan:makelawspunishthelaw-breakerfindwaystoreducethepollutionThesocietycan:organizevolunteersholdexhibitionsgivespeechesWecan:uselessplasticbagsandbottles2.pickuptherubbisharoundusHomeworkWriteashortreportabouttheresultofyourdiscussion.Youcanbeg