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高中英语Unit7lesson2《TheSea》ProtectingtheSea课件3北师大版必修3.ppt

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ProtectingtheSeaIamsailingDiscussionKeywords:What’sthesubjectofzhiHong’sscienceproject?Whatsolutionsdoesgovernmentdotopollution?Thegovernmenttriestothenumberofthatpeoplecancatch.Theyalsotrytopeopletogetotherkindsof.1.Really?FangzhouisaskingZhiHongaboutherscienceproject.FZ:Hey,Zhihong,whatdidyoudoforyourscienceproject?ZH:Ididsomethingaboutprotectingthesea.FZ:Protectingtheseafromwhat?ZH:Well,first,there'spollution.That'sbigproblem.Andsecond,there'sover-fishing.FZ:What'sover-fishing?ZH:That'swhenpeoplefishtoomuchandthenumberoffishfallstoolow.Somefishmaydisappearaltogether.FZ:Really?ZH:Yes,nowtherearetoomanyfishermenfishinginthesameplace.FZ:Doyoumeanthattherearemorefishermennowthantherewerebefore?ZH:Yes,therearemanymore.Andfishermentodayhavebettertechnologysotheycancatchmorefishthanbefore.FZ:Sotherearemorefishermencatchingmorefish?ZH:Well,theyhopetocatchmorefish,buttherearelessfishtocatch,sotheysimplycan't.FZ:That'sbad.ZH:Yes,ZH:Yes,andpollutionisverybad,too.FZ:Whatcausespollution?ZH:Allsorts:chemicals,plastic,rubbish,oil;mostofthemcomefromindustrialandagriculturalwaste.FZ:Itsoundslikeabigproblem.ZH:Yes,itisabigproblem.FZ:Howhavethesetwoproblemsbeenhandled?ZH:Well,somegovernmentdepartmentsaretryingtodealwiththesituation.FZ:Arethey?ZH:Yes,somelookforwaystoreducepollution,somekeeparecordoflevelsofpollution,otherdepartmentsareresponsibleforfindingwhereitcomesfromandpunishingpeoplewhohavebrokenthelawbycausingpollution.Ofcourse,oftenit'squitedifficulttofindwho'sresponsibleforpollution.FZ:Yes,Isupposeitmustbe.FZ:Whataboutover-fishing?Whatcanbedoneaboutthat?ZH:Thegovernmenttriestocontrolthenumberoffishthatpeoplecancatch.Intheworstareastheybanfishingcompletelyforafewmonthsatatimesothatthefishnumberscangrowagain.Theyalsotrytohelppeopletogetotherkindsofjobssotherearelesspeopletryingtomakealivingfromfishing.FZ:That’sagoodidea!ZH:Let’shopeitworks.pollutionIndustrialwasteplasticoilrubbishban