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1、Unit13We’retryingtosavetheearth!SectionA1(1a-2d)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,基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodfo
2、rhealth.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。自学检测一、写出下列单词的汉语意思并大声朗读litter,advantage,bottom,fisherman,coal
3、,ugly,cost,wooden,plastic,takeaway,bin,二、翻译下列句子We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.合学I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Fa
4、ctoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.II.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingb
5、uildinghousesmobilephonesnoisepollutionairpollutionwaterpollution________________________________________________________________________________________________________________________________________________III.Listening1.Workon1b.Listenandcompletethesentences.Whatwasthe
6、problem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe________
7、____andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.2.Listenagainandanswerthefollowingquestions.1)WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.2)Whydoesn’tMarkwanttogowithTony?Becausetheriverwasre
8、allydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocat
