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1、窗体Unit13 we’retryingtosavetheearth! SectionA1a~2d话题 Protectingtheenvironment功能 Talkaboutpollutionandenvironmentalprotection教学目标：知识技能： 1. Targetlanguage: We’retryingtosavetheearth.Peoplearethrowinglitterintotheriver.Theriverusedtobesoclean.Everyoneshouldhelptocleanuptheriver.2. Grammar:Prese
2、ntprogressive,usedto,modalverbs3. Wordsandexpressions;(1) Curriculumwords:litter,bottom,fisherman(2) Usefulexpressions:befullof,put…into,throw…into,cleanup,playapartin,closedown 过程方法 Accordingtodesigningsometasks,totrainstudents’listeningabilityandtotrainstudents’communicativecompetence．情
3、感态度 Everyoneshouldkeepourriversclean.学习策略 Listeningforkeywords,transforminginformation.重点 TargetLanguage难点 1．Howtotrainstudents’listeningability．2．Howtotrainstudents’communicativecompetence．教学内容及问题情境 学生活动 设计意图1a. TointroduceSstotheunitgoal,talkaboutpollutionandenvironmentalprotection.Picture:The
4、fourpicturesshowdifferentformsofenvironmentalpollution.Thefirstpictureontheleftshowsanairplaneflyingoversomehouses.Theairplaneseemstobeflyingaquitealowaltitude,sothenoiselevelmustbequitehighfoethepeoplelivinginthesehouses.Thisisconsiderednoisepollution.Thesecondpictureshowssomevehiclesgiveoutexh
5、austfumesandcausingairpollution.Inthethirdpicture,weseebigchimneysgivingoffaloofsmokeandpollutingtheair.Thelastpictureshowsarubbishdumphatpollutestheenvironmentaroundit.Whatotherthingscausepollution?AskSstocompletetheactivityasaclass,thenworkinpairstothinkofmorewordstoaddtothelistsforeachcolumn.
6、1b.TohelpSsrecognizethetargetlanguageinnaturalspeech.Everyoneneedstoplayapart:Intheconversation,theboysaretalkingabouttheriverintheirtownbeingpollutedbylitterandindustrialwaste.Oneofthemwantstowritetothegovernmentabouttheproblem,buttheotherboywiselysaysthatcleaninguptheriveriseveryone’sresponsib
7、ility,notjustthegovernment’s.PredictingtheanswersSsworkinpairstopredicttheanswerstotheactivity,thenplaytherecordingforSstofillinthegapsandreviewanswersasaclass. 1c.TogiveSsguidedpracticeinusingthetargetlanguagetotalkaboutpol
