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1、Unit13We’retryingtosavetheearth!一、教学目标：1.语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,presi
2、dent,inspiration,iron,work,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkf
3、insaregoodforhealth.Weshouldhelpsavethesharks.2.技能目标:能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。3.情感目标:有环境危机意识，学会关注环境保护环境。二、教学重难点：1.教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。（2）保护环境的措施方法。2.教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。三、教学步骤:SectionA2(3a-3c)I.RevisionTranslation.
4、①甚至是河底都满是垃圾。②这个小镇上的每个人都应该参加打扫。③骑自行车有其它的优点。④我买外卖食品从来不拿木筷子和塑料叉子。II.Warmingup1.T:Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction.Forexample:①Turnoffthelightswhenyouleavearoom;②Takebusesinsteadofdrivingcars③Recyclebooksandpaper.2.Therearesomeanimalsaree
5、ndangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!III.Discussion1.Whatdoyouknowaboutshark(鲨鱼)?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?IV.Reading1.Completethefactsheetin3a.Wheresharkfinsoupispopular Numbero
6、fsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”2.Retellthepassage.shark’sfinsoup,insouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestarou
7、nd70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesV.Practice(Workon3b)Readthepassageandfillintheblankswiththewordsinthebox.1)Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2)Sharksareatthetopofthefoodchain,___
8、_iftheirnumbersdrop,theocean’secosystemwillbeindanger.3)Manythinkthatsharksaretoostrongtobeendangered,_____the
