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ID:52207942
大小:7.05 MB
页数:10页
时间:2020-04-02
《高一英语 Unit7 lesson2 protecting the sea课件-listening 北师大版必修3.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、M3U7LESSON2-1ProtectingtheSeaListeningWecanplaywaterpoloonthesea,besides,…Wecanfind…inthesea.Wecanalsodo…inthesea.ExchangeyourideaswithyourpartnerExampleoptionalAllthedifferentseaplantsandanimalsdependoneachotherforfood.Wecallthisthefoodchain.Theoceanplaysanimportantpartint
2、hewatercycle.Theoceansregulate(调节)theclimate.OtherfunctionsWhatispollutingthesea?agriculturalwasteindustrialwasteoilplasticschemicalsrubbishFillintheblankswithproperwordsHowdothesethingspollutethesea?___________andindustrialwastecouldproducepoisonous_________.Sometimesthetr
3、ansportof___byseacausepollution.Peoplethrowallsortsof________intothesea,includingmany_______bags.Allthesethingscausetheterrible________inthesea.oilchemicalsrubbishplasticpollutionAgriculturalBesidespollution,thereisanotherproblemwiththesea.pollutionover-fishingWhatshouldwed
4、otohandletheproblem?Wehavefoundsomesolutionstotheproblem.Forexample,insomeplacesfishingisbannedcompletely.dealwithwaysWhile-listeningproblem12causessolutionsListenandcompletethetableProblem1Pollution2Over-fishingCauses①Allsortsofchemicals,plastic,rubbish,oil;②Mostofthemcome
5、fromindustrialandagriculturalwaste.①Toomanyfishermenfishinginthesameplace.②Bettertechnology.Problems1Pollution2Over-fishingSolutions①Governmentlooksforwaystoreducepollution.②Somedepartmentskeeparecordoflevelsofpollution.③Othersareresponsibleforfindingwhereitcomesfrom.④Andpu
6、nishingpeoplewhohavebrokenthelaw.①Thegovernmenttriestocontrolthenumberoffish,thatpeoplecancatch.②Intheworstareas,theybanfishingcompletely.③Theyalsotrytohelppeopletogetotherkindsofjobs.
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