高中英语：Unit7 lesson2 Protecting the sea教案（北师大版必修3）VIP专享VIP免费

Lessson2ProtectingtheSeaTeachingAims:1.TopracticespokenEnglish.2.Topracticelisteningforspecificinformation.3.Topracticeshowinginterestwhenlisteningtoanotherspeakerinaconversation.4.Topracticeinvolvingthepersonwhoislisteningtoyou.Teachingdifficulties:Learntoinvolvingthepersonwhoislisteningtoyou.TeachingAids:computerandcassetteTeachingprocedures:Ⅰ.WarmingupT:Howistheseaimportanttopeople?Ss:students’answersmaybevarious.T:Watercoversabout75％oftheearth’ssurface,itprovidesuswithfoodandresourcessuchasoil,naturalgasandsomemetals.Besidestheseahasagreateffectonclimate,therefore.Theseaisveryimportantforus.Butwhatwehavedonedoesharmtothesea.Nowlookatthepictures,showingstudentssomeslidesaboutseapollution.TheteacherwillasksomequestionstoencouragestudentstospeakEnglish.(Thepurposeistoproducetheseapollutionandletstudentsrealizetheimportanceofprotectingthesea.)Ⅱ.Discussing1.Youarelikelytonoticesomethingaboutseapollutioninyourcityorhometown,pleasetalkaboutit.2.Ifwegoonpollutingtheseawhatistheresult?3.Whatmeasuresdoyouthinkweshouldtake?4.Whatshouldwedoasastudent?(Couragethemtomakesuggestionsforpreventingsea,riverandlakepollution)Ⅲ.ListeningYoursuggestionsaregoodandusefulandFangZhouandZhiHongaretakingabouttheproblemtoo.Whatwilltheysay?Nowlet’slistentotheconversation用心爱心专心(Inordertohelpstudentbetterunderstandingtheconversationfirstdotheexercise).1.Listentothetapeandchoosetherightanswer.①.Whatcanbedoneaboutoverfishing?A.man-maderaisingfishB.IntheworstareastheybanfishingforseveralyearsC.controlthenumberoffishpeoplecancatch②.What’stheresultofoverfishing?A.therearelessfishtocatchB.peoplecanfishtoomuchC.Theycancatchmorefishthanbeforebybettertechnology③.Whataresomegovernmentdepartmentsdoingaboutseapollution?A.punishingpeoplewhokeeparecordoflevelsofpopulationB.thinkingofwaystoreducepopulationC.alldepartmentsmustberesponsibleforfindingwherepollutioncomesfrom.(answers:①.C②.A③.B)2.Listentothetapeagainandfillinthetape.(Theteacherdesigntheexerciseistoreducethedifficultyinnextexercise)①.That’swhenpeoplefishtoomuchandthenumberoffishfallstoolow.Somefishmaydisappearaltogether.②.Sotherearemorefishermancatchingmorefish?Well,theyhopetocatchmorefish,buttherearelessfishtocatch,sotheysimplycan’t.③.Theyalsotrytohelppeopletogetotherkindsofjobs,sotherearelesspeopletryingtomakealivingfromfishing.④.Itmostlycomesfromindustrialwastefromfactoriesandagriculturalwastefromfarming.3.Listentotheinterviewagainandanswerthequestions①.Whatistheproblem1?②.Whatistheproblem2?③.Whatarethereasonsforproblem2?④.Whatarethecausesofproblem1?⑤.Whatarethesolutionstoproblem1?⑥.Whatarethesolutionstoproblem2?用心爱心专心Ⅳ.Writingandspeaking:Doexercise5,6,7toshowinterestandkeepaconversationgoing.Readthroughtheexampledialoguethenmakeupanewonewithyourpartner.(Thepurposeistopracticeshowinginterestwhenlisteningtoanotherspeakerinaconversationandinvolvingthepersonwhoislisteningtoyou.)Ⅴ.HomeworkPractiseusingtheusefulwordsaboutprotectingtheseabymakingsentenceswiththem:protect,pollute,pollution,waste,dealwith,beresponsiblefor,breakthelaw,punish,keeparecordof,control,communicate.用心爱心专心