初中三年级英语下册第一课时课件

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1、WelcomeTheearthispolluted.pollution（n.)污染Unit13We'retryingtosavetheearth!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.Everystudentshouldtrytoworkhardinordertostudyinauniversity.为了进入大学学习，每个学生都应该努力学习。airpollutionThefactoriesthatburncoalpollute

2、theairwithalotofblacksmoke.n.煤炭PresentationFactoriesputwasteintotheriver.waterpollutionnoisepollutionTherearemorecarsontheroad.mobilephonepollutionlitterv.乱扔n.垃圾rubbishwaste垃圾，废弃物Peopleshouldthrowawaylitterinthebin.n.垃圾箱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

3、丢弃的无用的东西)”不可回收。1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.与…相关noisepollution________________________________________________airpollution____________________________________________waterpollution__________________________

4、______________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1bListenandcompletethesentences.Whatwastheproblem?Theriverwas

5、_____________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe_

6、___________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanupListenagainandcheck(√)thesentencesyouhear.1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theriverhasalwaysbeenthenicestriverinthistown.4.W

7、eshouldasktheteachersforhelp.√√1cRole-playtheconversationTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!PracticeMakeconversationsusingthepollutionin1a.Theriverhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.Whatcausedtheproblem

8、?ButIwastherelastweekendandtheriverwasreallydirty.Factoriesarealsoputtingwasteintotheriver.Peoplearethrowingli