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1、课题Unit13we’retryingtosavetheearth!SectionA1a~1c1.Targetlanguage:We’retryingtosavetheearth.Peoplearethrowinglitterintotheriver.Theriverusedtobesoclean.Everyoneshouldhelptocleanuptheriver.2.Grammar:Presentprogressive,usedto,modalverbs3.Wordsandexpressions;(1)Curr
2、iculumwords:litter,bottom,fisherman(2)Usefulexpressions:befullof,put…into,throw…into,cleanup,playapartin,closedown重点TargetLanguage难点1．Howtotrainstudents’listeningability．2．Howtotrainstudents’communicativecompetence．教学过程1a.TointroduceSstotheunitgoal,talkaboutpol
3、lutionandenvironmentalprotection.Picture:Thefourpicturesshowdifferentformsofenvironmentalpollution.Thefirstpictureontheleftshowsanairplaneflyingoversomehouses.Theairplaneseemstobeflyingaquitealowaltitude,sothenoiselevelmustbequitehighfoethepeoplelivingintheseho
4、uses.Thisisconsiderednoisepollution.Thesecondpictureshowssomevehiclesgiveoutexhaustfumesandcausingairpollution.Inthethirdpicture,weseebigchimneysgivingoffaloofsmokeandpollutingtheair.Thelastpictureshowsarubbishdumphatpollutestheenvironmentaroundit.Whatotherthin
5、gscausepollution?AskSstocompletetheactivityasaclass,thenworkinpairstothinkofmorewordstoaddtothelistsforeachcolumn.1b.TohelpSsrecognizethetargetlanguageinnaturalspeech.Everyoneneedstoplayapart:Intheconversation,theboysaretalkingabouttheriverintheirtownbeingpollu
6、tedbylitterandindustrialwaste.Oneofthemwantstowritetothegovernmentabouttheproblem,buttheotherboywiselysaysthatcleaninguptheriveriseveryone’sresponsibility,notjustthegovernment’s.PredictingtheanswersSsworkinpairstopredicttheanswerstotheactivity,thenplaytherecord
7、ingforSstofillinthegapsandreviewanswersasaclass.1c.TogiveSsguidedpracticeinusingthetargetlanguagetotalkaboutpollutionandenvironmentalprotection.Reviewofusedtoandshould.Lookatthepicturesandwritethesewordsintheboxesbelow.Thenwriteotherwordsyouknow.Workinpairs.Lis
8、tenandcirclethewordsin1athatVictorandGinnyusetodescribetheanimals.通过语言交际让学生掌握本节课所学内容通过听力训练，提高学生的听力能力。板书设计Unit13we’retryingtosavetheearth!SectionA1a~1cWe’retryingtosavetheear
