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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,bo
2、ttle,president,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.Noscientificstudies
3、haveshowedthatsharkfinsaregoodforhealth.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:SectionA
4、1(1a-2d)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.18(4)Therearemorecarsontheroad.II
5、.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution______________________________________
6、__________________________________________________________________________________________________________Keys :noisepollutionloudmusicplanesmobilephonesbuildinghousesairpollutionfactoriessmokingcarsbuildinghouseswaterpollutionshipsrubbishlitteringfactoriesIII
7、.ListeningIV.PracticeV.Languagepoints1.We’retryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryone’sbesttodo努力去做某事。e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.为了进入大学学习，每个学生都应该努力学习。2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与…
8、有关e.g. Iamnot related to himinanyway.我和他无任何关系。3.Everyoneinthistownshouldplayapartincleaningitup!18playapartin在……方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的饮食在帮助人
