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高二英语Unit9 Warming up and listening课件 新课标 人教版 课件.ppt

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WarmingupMichaelJacksonWhatdohumanbeingsdotoourearth?cutdowntreesdeforestationTheskywasbluewithwhitecloudsinthepastbutnowtheyaregreyanddirty.Everyyearover29000ofthemarekilledandnowonly72000left.warOurearthisingreatdanger.Canyouthinkofotherproblemssheisfacing?poverty&hunger&starvationTheriversusedtobecleanandclearbutnowtheyarepollutedandmanyfishdiedcontaminateddrinkingwaterDiscussion:Whatdoyouthinkisthebiggestproblem?Why?PeoplecallthethreebiggestkillersintheworldListeningQ2.Whatarethetwosolutionstotheproblem?Listentopart2andfillintheblanks.1.Wemustchangethewaywe_______andthewaywe_______.2.Let’snot_____ifwecanwalkorrideabike.3.Let’strynottouse______________morethanwhatisabsolutelynecessary.4.Let’snotbuyproductsthat_______________5.Let’smake____________andusenewtechnologytomakesurethatfactoriesare_________________.Wateristhesourceoflifebutitisnotinexhaustible.[inig'zɔ:stəbl]Ifwedidnottakeactionnowthelastdropofwaterintheworldwouldbeman’stear!Discussion.Inmyopinion…Wemustmakesurethat...It’sclearthat…Itwouldbebetterifwe….Sure/certainly/Absolutely…Isthereabetterto…Ican’timaginethat…Ibelievewemust…Ifnothingisdone…then…ForexampleAsong!Savingtheearthissavingourselves!Helpmehelpyouhelpeveryone.ReturnGREENtotheearth!Homework