Unit2I’llhelptocleanupthecityparks.SectionB(2a—2d)一、教學目標1.聽懂并掌握下列詞匯及常用表達：letter,Miss,setup,disabled,makeadifferenceto,blind,deaf,imagine,difficulty,open,door,carry,train,excited,training,kindness,clever,understand,change2.培養學生在語境中理解詞匯含義和功能的能力。3.快速閱讀文章，理解文章大意。4.討論關心、幫助殘疾人的不同方法，向社會施以愛心。二、教學重點及難點重點：1.核心詞匯及常用表達。2.快速閱讀文章，理解文章大意。難點：理解詞語的詞性，利用詞性理解詞義。三、教學準備1.教學課件、詞匯圖片。2.學生課前預習。四、教學過程Step1Warming-upPracticeandreviewT:Hello,boysandgirls.Todaywe’llcontinuetolearnUnit2.First,youwilldoanoralpracticeaboutvolunteeringandcharityagainandreviewwhatwelearnedlasttime.設計意圖：讓學生快速回歸課堂學習狀態，復習上節課所學，為新課的展開奠定基礎。Step2Pre-readingWorkon2aThinkanddiscussT:Pleaselookatthequestion.Ifyoureceivehelpfromotherswhenyouneedhelp,doyouusuallythankthem?Howdoyouusuallythankthem?Pleasethinkanddiscussinpairs(orgroupsoffour).Howdoyouusuallythanksomeonewhohelpsyou?設計意圖：發散學生的思維，引出多種感謝方式，由此導入英文書信話題。ThinkandreviewT:NowIknowsomeofyouwillwriteathank-youlettertoexpressyourfeeling.SoI’dlikeyoutothinkandreviewhowtowritealetterinEnglish.DoyoustillremembertheformoftheEnglishletter?Whatshouldwewriteatthebeginningoftheletter?Andwhatshouldwewriteattheend?設計意圖：復習書信的基本寫作格式，為接下來的信件內容學習奠定基礎。Workon2bLookandpredictT:Thereisapicturein2b.Pleaselookatthepicturecarefullyandanswerthequestions.Wheredoyouthinktheyare?Whoneedsthedog?Whatarethetwopeopletalkingabout?設計意圖：鍛煉學生結合圖片預測文章內容的能力，誘發學生的閱讀欲望。Step3While-readingReadquicklyandfindtheanswersT:Nowpleaselookatanothertwoquestionsin2b.Pleasereadtheletterquicklyandfindtheanswerstothequestions.設計意圖：讓學生帶著問題有目的地閱讀，提升學生的閱讀效率，鞏固尋讀的閱讀技巧。ReadagainandwriteTorFT:Thistimeyoucanreadagainandmakesurewhetherthesentencesaretrueorfalse.AnimalHelpersisagrouptohelpdisabledpeople.SomethingiswrongwithBenSmith.Luckyisoneofthedisabledpeople.LuckycantakeabooktoBenSmith.MissLithanksBenSmithforgivingmoney.設計意圖：訓練學生對文章的閱讀理解，進一步熟悉信件內容。Step4Post-readingLookandlearn1.T:Knowingwhatpartofspeechofawordiscanhelpyouunderstandwhatthewordmeans.Nowlet’slearnhowtoguesswhatawordmeansusingpartofspeechofthewordsothatwecanunderstandthearticle.設計意圖：學習利用詞性理解詞義的技巧，提高學生的閱讀能力。2.T:Nowyouwillseethesentenceswiththenewwordsorphrasesintheletter.Youcanreadandguesswhattheymeaninthenewway.setupv.建起；設立disabledadj.喪失能力的；有殘疾的makeitpossibleforsb.todosth.使某人有可能做某事makeadifferenceto對……有影響；對……有作用blindadj.瞎的；失明的deafadj.聾的imaginev.想象；設想imagine+n./從句/v.ingdifficultyn.困難；難題beindifficulties處于困難之中withoutdifficulty毫無困難openv.開；打開doorn.門carryv.拿；提；扛train v.訓練；培訓trainedadj.受過訓練的excitedadj.激動的；興奮的excitedabout/atsth.對某事感到很激動excitedtodosth.很興奮于做某事trainingn.訓練；培訓kindnessn.仁慈；善良cleverv.聰明的understandadj.理解；領會changev.變化；改變設計意圖：呈現信件中帶有生詞或重要知識點的句子，引導學生運用新學的方法猜測詞義、學習單詞，并進一步感知句意，理解信件內容。ReadthelettertogetherT:Nowpleasereadthelettertogethertogettoknowthecontentandformofathank-youletter.設計意圖：提高學生的朗讀技巧，進一步熟悉書信格式，為后面的書寫環節奠定基礎。Workon2cCircleandmakesentencesT:Nowpleaselookatthewordsin2c.Youshouldidentifyandcirclethepartofspeechofeachwordinpairs,andthenyoucanmakeyourownsentenceswiththesewords.設計意圖：培養學生活學活用，結合語境理解詞義和功能的能力。Workon2dReadandmatchT:Here’sasentence.“I”isthesubject,“takeafter”istheverb,and“mymother”istheobject.Nowyoushouldreadtheletteragainandthenusetheinformationinittomaketruesentencesbymatchingthedifferentparts.Aftermatching,youcanreadthesentencesonebyone.設計意圖：讓學生感知主謂賓結構的同時，訓練學生對信件內容的細節理解。Workon2eDiscussingroupsT:Nowit’stimeforyoutodiscussthesetwoquestionsingroupsoffour.Andthensomegroupswillshowyourideasorviewpointsinourclass.1.Inwhatotherwaysdoyouthinkdogsareabletohelppeople?2.Whatotheranimalscanwetraintohelppeople?設計意圖：此環節為讀后輸出活動，鍛煉學生的語言組織能力。TestT:Nowyoushouldtakeatestbychoosingthebestanswers.1.AnimalHelplerscanhelpdisabledpeople.A.殘疾人 B.變成殘疾 C.有殘疾的2.Luckymakesabigdifferencetomylife.A.區別 B.有區別的 C.使……有區別3.Luckyisaspecialtraineddog.A.火車的 B.訓練 C.訓練有素的4.Openingdoorsisdifficultforme.A.打開 B.開著的 C.開放的5.I’dliketothankyouforyourkindness.A.親切的 B.善良 C.種類設計意圖：通過習題，鞏固復習課堂內容。Step5SummaryT:Atlast,let’ssummarizethekeypointsofthislesson.Words:letter,setup,disabled,makeadifferenceto,blind,deaf,imagine,difficulty,open,door,carry,train,excited,training,kindness,clever,understand,changetrain—trained—trainingdifferent—differencedifficult—difficultykind—kindness設計意圖：帶領學生梳理所學知識，方便學生課后鞏固復習。Step6Homework1.Recitethekeywordsandphrases.2.ReadSectionB2daloud.設計意圖：課后作業鞏固課上所學。五、板書設計Unit2I’llhelptocleanupthecityparks.Secti