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TheFirstPeriod—SectionA(1a—2d)课时分解.TheFirstPeriod—SectionA(1a—2d)TeachingImportantPoints【教学重点】Keywords&phrases:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plasticnoisepollution,airpollution,waterpollution,befullof,playapartinturn…into,cutdownairpollutionKeysentences:1.Eventhebottomoftheriverwasfullofrubbish.2.Itusedtobesoclean.3.Everyoneinthistownshouldplayapartincleaningitup.4.Theairisbadlypollutedbecausetherearemorecarsontheroadthesedays.5.Theairhasbecomereallypollutedaroundhere.6.We'retryingtosavetheearth.Keystructure:should+do;usedto+do;have/has+done;be+done;be+doinge.g.Everyoneshouldhelptocleanuptheriver.Theairhasbecomereallypolluted.Iusedtobeabletoseestarsinthesky.Theairisbadlypolluted.TeachingDifficultPoints【教学难点】★Practicethestructurestotalkaboutpollutionandenvironmental1protection.TeachingAids【教学工具】AtaperecorderTeachingSteps,CAIormultimediacourseware.【教学过程】【新课导入】★Step1Leadingin1.Greeting2.DiscussionandreviewDiscusswiththestudents,likethis:T：Whatkindsofpollutionaretherethesedays?S:…T：Whatcausesthepollution?S:…3．Reviewthewordsandexpressionsaboutthetopic.★Step2Cooperativeinquiry【合作探究】1．Finishthetaskin1a①Showpicturesorplayvideosaboutpollutionandtalkaboutthepollution.②Readthesephrasesin1a.Lookatthepicturesin1aandsaywhattheyseeinthepictures.Writedownthewordsandaddmorewords.③Askstudentstosayouttheirwordsineachkindofpollution.2．Finishthetaskin1b①Readtheinstructions.Getthestudentstoreadthecontentsinthechartandthinkofwhattheywillfillintheblanks.②Playtherecordingforthefirsttime.Studentslistenandfillinthewords.③Playtherecordingasecondtime.Askthemtochecktheanswers.Thenaskthequestions.Studentsanswerwithfullsentences.④Askmorequestionstohelpstudentslearnmoredetails.Thenplaytherecordingforthestudentstorole－paytheconversation.3．Finishthetaskin1c①Showthekeywordsoftheconversation.Askstudentstoretellthecontentsinthechart.Likethis:What:dirty；bottom，rubbish；fishWhy:littering，puttingwasteHow:writeto，closedown；helptocleanup②Readaloudthemodeldialoguein1c.Theninpairs，dotheoralpracticewithmorewords.③Asktwopairstoperforminclass.4．Finishthetasksin2a－2b①UsePPTorpicturestoshowthefourkindsofpollution.Getthegroupsofstudentstohaveacompetitiontosaywordsaboutthepollutiononebyone.landpollution:…airpollution:…noisepollution:…2waterpollution:…②Getthestudentstowritedownthesewordsintheirnotebooks.③Playtherecordingforthefirsttime.Studentslistenandcirclethekindsofpollution.Checkanswerswiththeclass.④Readthesentencesin2b.Predictthecontentstheywillfillin.Playtherecording.Studentslistenandcompletethesentences.⑤Playtherecordingagain.Checktheanswerswiththewholeclass.5．Finishthetaskin2c①Readthesampleconversationin2c.ThenReadthelisteningmaterialsanddiscussinpairswhatcausesthetwokindsofpollution.②Studentsworkinpairs，makingdialogues.③Askthreepairstorole6.Finishthetaskin2d－playtheirconversationstotheclass.:Whatareyourideasforsolvingtheair①Talkaboutthepicturein2d.Askpollution/wastepollutionproblem?Presentthenewwordsintheconversation.Suchas,coal,advantage,wooden,plastic,takeaway,bin，…②Readtheconversationin2dquickly.Findouttheproblemsaboutenvironmentalpollutioninthedialogue.③Readtheconversationagain.Askthestudentstofindthewaystosolvetheproblemsofairandwastepollution.④Readaloudtheconversationbytherecording.⑤LearntheusefulexpressionsWhatareyourideasfordoing…Tocutdownairpollution,weshould…Sotogether,ouractionscanmakeadiffereneeand…⑥Role—playorreadtheconversationinpairsuntilfluently.★Step3Homework1.Whatareyourideasforsolvingthewastepollutionproblem?2.Writethewordsaboutthefourkindsofpollution.3.TranslatethefollowingsentencesintoEnglish.(1)我们正在想办法拯救地球。(2)对于解决空气污染问题你有什么主意？(3)我们应该保持公共场所清洁美观。BoardDesign板书设计Unit13We'retryingtosavetheearth!SectionA(1a—2d)landpollutionairpollutionnoisepollution3waterpollutionshould+do;usedto+do;have/has+done;be+done;be+doingWhatareyourideasfordoing…Tocutdownairpollution,weshould…Sotogether,ouractionscanmakeadiffereneeand…TeachingReflection【教学反思】Thisisthefirstperiodoftheunit.Intheunitwetalkaboutpollutionandenvironmentalprotection.Soitisimportanttogetthestudentstolearnwordsandphrasesaboutthetopicsinthisunit.Wewillreviewsomestructuresandtensesandgetthestudentstopracticetheminlisteningandspeaking.Theyare“should+do;usedto+do;have/has+done;be+done;be+doing”.Thetopicisanimportantcontentinourlifeandstudentsshouldlearntousethewordsandstructurestotalkaboutandwriteaboutit.Somuchpracticeshouldbedoneintheperiodandinlaterperiods.4