高中英语模块三 Unit 7 The sea Lesson 26 Protecting the Sea 精品课件2(北师大版)VIP专享VIP免费

Unit7TheSeaLesson26ProtectingtheSeaHowistheseaimportanttopeople?Peoplecangetseafoodsuchas:fish,seaanimalsandplants;Theseaisrichinmanynaturalresources.wecangetoil,naturalgasandsomemetals,besides,theseahasagreateffectonclimateontheearth.Japaneseshiparekillingthewhale.Howcrueltheyare!!!Theseaisimportanttous.Butwiththedevelopmentofsociety,humanbeingsexploreandseizetheseawithoutlimit,asaresult,doharmtothesea.Harvestfishnow,Whataboutthefuture?Whathappened?Theoiltankerwasupset,oilpouredintothesea.Whatistheresult?In1989anoiltankerhitarockoffthenorthwestcoastofAlaska.35,000tonsofoilpouredintothesea.Theaccidentwasoneoftheworstinhistory.Morethan34,000birdsand10.000animalswerekilled.4,8oosquarekilometersofoceanwerepolluted.TheSeaisweepingWhatwillhappen?Istherenothingwithus?ChinahasbeenexperiencingincreasingredtidesofftheChinesecoastsincethe1990sduetoincreasingpollutioncausedbyindustrialwaste.Accordingtoanofficialreport,duringthepast20years,atotalof200redtideshavebeenregistered（经正式鉴定的）causing240millionU.S.dollarsindirecteconomiclosses.The45majorredtidesoccurredintheBohaiSea,theYellowSea,theEastChinaSeaandtheSouthChinaSea.About4billiontonsofindustrialwastewateraredischarged(排放)intotheseaeveryyear,resultingintheaccumulation（积累）oforganicpollutantsblamed（归咎于有机污染物）forthegrowingoutbreaksofdisastrousredtides.Redtidesmayalsodestroymarinelives（海洋生物）andbringharmtomarinecultivationindustries(海洋养殖业).1.Youarelikelytonoticesomethingaboutseapollutioninyourcityorhometown,pleasetalkaboutit.2.Ifwegoonpollutingtheseawhatistheresult?Ifthegovernmentgoonallowingtheindustrialwastefromfactoriesintotheseaandrivers,itisnotsafetoeatthefish.Ifwegoonpouringtherubbishintothesea,itisnolongersafeforswimming,asalotofdiseasesarepresentinthewater.Ifwegoonpollutingthesealikethat,childreninthefuturewillnotseebeautifulbluesea.3.Whatmeasuresdoyouthinkweshouldtake?Thegovernmentshouldmakelawstoprotectthesea.Wetakeactionlikethemtoprotectthesea.cleaningoilThepeopleoftheGreenPeaceOrganizationarestrugglingwiththeshipforcatchingwhales.Whataretheydoing?ZhiHongandFangZhouarealsotalkingaboutprotectingthesea.Whatwilltheysay?Weshouldspreadtheknowledgeaboutprotectingtheseaandletpeoplerealizetheimportanceofthesea.Listentothetapeandchoosetherightanswer.1.Whatcanbedoneaboutoverfishing?A.man-maderaisingfishB.IntheworstareastheybanfishingforseveralyearsC.controlthenumberoffishpeoplecancatchC.controlthenumberoffishpeoplecancatch2.What’stheresultofoverfishing?A.therearelessfishtocatchB.peoplecanfishtoomuchC.TheycancatchmorefishthanbeforebybettertechnologyA.therearelessfishtocatch3.Whataresomegovernmentdepartmentsdoingaboutseapollution?A.punishingpeoplewhokeeparecordoflevelsofpopulationB.thinkingofwaystoreducepopulationC.alldepartmentsmustberesponsibleforfindingwherepollutioncomesfromB.thinkingofwaystoreducepopulationListentothetapeagainandfillinthetape.1.That’swhenpeoplefish_________andthenumberoffish___________.Somefishmaydisappearaltogether.2.Sotherearemorefisherman________________?Well,theyhopeto_______________,butthereare_________tocatch,sothey____________.toomuchfallstoolowcatchingmorefishcatchmorefishlessfishsimplycan’t3.Itmostlycomesfrom_________wastefrom_________and___________wastefrom________.4.Theyalsotrytohelppeopleto_____________________,sothereare___________tryingto_________________________...