教案 教學基本信息 學科英語學段初中年級九年級單元Unit13課題We,retryingtosavetheearth!"總^時數6課時SectionB3a-SelfCheck課型寫作課"授^時間教學目標及教學重點、難點教學目標：Attheendoftheclass,thestudentswillbeableto:talkaboutWayStoprotecttheenvironment.learntopayattentiontoenvironmentalprotection.improvetheskillsofwriting.教學重點：Keyvocabulary:disappoint.Keysentences:Whichpartsneedtobeimproved?Whatorwhoiscausingtheseproblems?Givesuggestionsorpossiblewaystosolvetheproblems.Structureusedtodo/be....getworseandworse教學難點：Writealettertothecitymayorabouttheproblemandsuggestions. 教學過程（表格描述） 教學環節主要教學活動設置意圖Step1Warm-up(PPT3-4)1.Haveafreetalk:Whatisthepictureabout?Whatdoyouthinkaboutit?Whatcausedtheproblems?2.Sumuptheproblemandthesuggestions.自由談論圖片，分析人物行動的原因，然后總結同學們提出的建議。引出3a。Step2Presentation(PPT5-6)1.Workon3a.Thinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveanice完成3a的表格，并且寫出原因。熟練地表達環境好壞的原因。environment?Whyaretheynice?Whichpartsneedtobeimproved?Why?2.Completethechartandreadthem.Step3Writing(PPT7-8)Workon3b.Writealettertothecitymayorabouttheproblemsandyoursuggestions.Showthefollowingexpressions:Inyourletter,describetheenvironmentalproblemsinyourtown/city.Whataretheproblems?Wherearethey?Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat…Weshould/Could…ISuggeSt…Showthewritingmodel.Writeapassageabouttheexperience.運用3b所給的重點句子結構、寫作指導，給市長寫一封信，談談環境問題和你的建議。熟練運用本單元的句型寫出該信。通過寫作，培養學生的書面表達能力。Step4Showthemodels(PPT9-13)Showoneofthegoodpassagestootherstudents.Analyzesthegoodsentencesandcorrecttheerrors.寫作過后，找出范文進行講評。Step5SelfCheck(PPT14-20)Writedifferentformsofthewords.Thenaddmoretoeachgroup.Matcheachstatementwiththegrammarstructure.Writewaystocutdownonthesekindsofpollution.綜合檢測學生對本單元的詞匯及語法的掌握。Step6Exercises(PPT21-30)Practicethelanguagepointsbydoingtheseexercises.通過單選、句型轉換、首字母填空等形式練習所學的知識點，提高學生的閱讀能力。Step7中考鏈接(PPT31)Practicethekeywordsandthetargetlanguages:beused為引導學生學習，本部分設計主要精選beused的用法作為中考例題。Step8Homework(PPT32)Reviseyourcomposition.PreviewthenewwordsandexpressionsinUnit14.本節課布置的作業是復習本單元寫的作文，預習U14的單詞短語。板書設計Unit13We'retryingtosavetheearth!SectionB(3a-SelfCheck)SampleDearsirormadam,Theenvironmentalpollutionisworseandworsetoday.Wecan,taffordtowaitanylongertotakeaction.Waterispollutedinsomecitiesandcountryside,wehavenocleanwatertodrink.Manytreesarebeingcutdown,someanim