Lesson2ProtectingtheSea.ppt

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1、Unit7TheSeaLesson2ProtectingtheSeaBeforelisteningHowdopeopleusethesea?Howistheseaimportanttopeople?Discussinpairs.Example:Peoplecatchfishinthesea.Therearemanymorethingsthatwecanfindforfoodinthesea.seafoodoilundertheseaseatransportwaveenergy2.Whatisseap

2、ollution?Findthemeaningsofthesekeywordsandusethemtotalkabouttheissue.ExampleA:Thereisalotofindustrialwasteinthesea.B:Howcanwedealwiththisproblem?pollutionplasticandrubbishoilandpetrolindustrialwasteagriculturalpollutionchemicalpollutionover-fishingList

3、ening1.Listenandchoosetherightanswers:ListeningStrategies(I):Listeningforspecificinformation□Makesureyouknowwhatyouhavetodo,e.g.completeatable,fillintheblanks.□Ifyoumisssomeinformation,writeaquestionmarktoremindyoutolistenespeciallycarefullythesecondti

4、me.1)Whatcanbedoneaboutover-fishing?A.Man-maderaisingfish.B.Intheworstareastheybanfishingforseveralyears.C.Controlthenumberoffishpeoplecancatch.2)What’stheresultofover-fishing?A.Therearelessfishtocatch.B.Peoplecanfishtoomuch.C.Theycancatchmorefishthanb

5、eforebybettertechnology.3)Whataresomegovernmentdepartmentsdoingaboutseapollution?A.Punishingpeoplewhokeeparecordoflevelsofpollution.B. Thinkingofwaystoreducepollution.C.Alldepartmentsmustberesponsibleforfindingwherepollutioncomesfrom.Answers:C,A,BListe

6、ningStrategies(II):Listeningforspecificinformation□Usetheheadingsortopicsfromthequestionstohelpyou.e.g.problem1,subject,causesetc.□Asyoulisten,makenotesanduseabbreviations,e.g.poll.(=pollution),O-F.(=over-fishing).2.Listenagainandfinishthetasks.PartIWh

7、at’sthesubjectofZhiHong’sscienceproject?2)Whataretheproblemsabout?First,there’s_________.Andsecondthere’s___________.Itisaboutprotectingthesea.pollutionover-fishingPartIIWhatcausesover-fishing?That’swhenpeoplefish___________andthenumberoffish________to

8、olow.Somefishmaydisappear____________.2)Whatdofishermenhopetodo?Theyhopetocatchmorefish,buttherearelessfishtocatch.toomuchfallsaltogetherPartIIIWhatcausespollution?Allsorts:chemicals,__________,__________,oil;mostofthemcomefromagricultu