英语人教版九年级全册Unit13 Section A 1a~1c .ppt

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1、Whyshouldweprotecttheenvironment?Onlybysavingtheenvironmentcanwesaveourselves.Unit13We'retryingtosavetheearth!trytodo=tryone’sbesttodo努力去做某事1.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.We’lltry tofinishtheworkinaweek.我们将努力在

2、一周内完成这项工作。Languagepoints【运用】我会尽力做好这项工作。___________________________________I’lltrytodotheworkwell.SectionA11a-1CEndangeredanimalsDesertificationGlobalwarmingTheworldisfacingmanyproblems!PollutionPollutionWhatkindofpollutionarethey?noisepollutionwaterpoll

3、utionairpollution1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.berelatedto与……有关noisepollution________________________________________________airpollution____________________________________________waterpoll

4、ution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones(machines,cro

5、wds,vehicles)(powerplants,nucleardisposal)(sewage,industrialwaste,pesticides)1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirt

6、yrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwasteg

7、overnmentclosedowncleanup2.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可数名词。rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。Languagepointslitter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。【运用】根据句意用rubbish或litt

8、er完成句子。1.Throwthe________out.把垃圾扔出去。2.Theroomisfullof_______.房间里堆满了垃圾。3.Pickupyour_______afterapicnic.野餐后将废弃物收拾好。rubbishrubbishlitter听力原文1cRole-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.(p97)use