Unit 2 Ill help to clean up the city park第4课时公开课教学设计【人教版八年级英语下册】

Unit2I’llhelptocleanupthecityparks.SectionB(2a—2d)一、教学目标1.听懂并掌握下列词汇及常用表达：letter,Miss,setup,disabled,makeadifferenceto,blind,deaf,imagine,difficulty,open,door,carry,train,excited,training,kindness,clever,understand,change2.培养学生在语境中理解词汇含义和功能的能力。3.快速阅读文章，理解文章大意。4.讨论关心、帮助残疾人的不同方法，向社会施以爱心。二、教学重点及难点重点：1.核心词汇及常用表达。2.快速阅读文章，理解文章大意。难点：理解词语的词性，利用词性理解词义。三、教学准备1.教学课件、词汇图片。2.学生课前预习。四、教学过程Step1Warming-upPracticeandreviewT:Hello,boysandgirls.Todaywe’llcontinuetolearnUnit2.First,youwilldoanoralpracticeaboutvolunteeringandcharityagainandreviewwhatwelearnedlasttime.设计意图：让学生快速回归课堂学习状态，复习上节课所学，为新课的展开奠定基础。Step2Pre-readingWorkon2aThinkanddiscussT:Pleaselookatthequestion.Ifyoureceivehelpfromotherswhenyouneedhelp,doyouusuallythankthem?Howdoyouusuallythankthem?Pleasethinkanddiscussinpairs(orgroupsoffour).Howdoyouusuallythanksomeonewhohelpsyou?设计意图：发散学生的思维，引出多种感谢方式，由此导入英文书信话题。ThinkandreviewT:NowIknowsomeofyouwillwriteathank-youlettertoexpressyourfeeling.SoI’dlikeyoutothinkandreviewhowtowritealetterinEnglish.DoyoustillremembertheformoftheEnglishletter?Whatshouldwewriteatthebeginningoftheletter?Andwhatshouldwewriteattheend?设计意图：复习书信的基本写作格式，为接下来的信件内容学习奠定基础。Workon2bLookandpredictT:Thereisapicturein2b.Pleaselookatthepicturecarefullyandanswerthequestions.Wheredoyouthinktheyare?Whoneedsthedog?Whatarethetwopeopletalkingabout?设计意图：锻炼学生结合图片预测文章内容的能力，诱发学生的阅读欲望。Step3While-readingReadquicklyandfindtheanswersT:Nowpleaselookatanothertwoquestionsin2b.Pleasereadtheletterquicklyandfindtheanswerstothequestions.设计意图：让学生带着问题有目的地阅读，提升学生的阅读效率，巩固寻读的阅读技巧。ReadagainandwriteTorFT:Thistimeyoucanreadagainandmakesurewhetherthesentencesaretrueorfalse.AnimalHelpersisagrouptohelpdisabledpeople.SomethingiswrongwithBenSmith.Luckyisoneofthedisabledpeople.LuckycantakeabooktoBenSmith.MissLithanksBenSmithforgivingmoney.设计意图：训练学生对文章的阅读理解，进一步熟悉信件内容。Step4Post-readingLookandlearn1.T:Knowingwhatpartofspeechofawordiscanhelpyouunderstandwhatthewordmeans.Nowlet’slearnhowtoguesswhatawordmeansusingpartofspeechofthewordsothatwecanunderstandthearticle.设计意图：学习利用词性理解词义的技巧，提高学生的阅读能力。2.T:Nowyouwillseethesentenceswiththenewwordsorphrasesintheletter.Youcanreadandguesswhattheymeaninthenewway.setupv.建起；设立disabledadj.丧失能力的；有残疾的makeitpossibleforsb.todosth.使某人有可能做某事makeadifferenceto对……有影响；对……有作用blindadj.瞎的；失明的deafadj.聋的imaginev.想象；设想imagine+n./从句/v.ingdifficultyn.困难；难题beindifficulties处于困难之中withoutdifficulty毫无困难openv.开；打开doorn.门carryv.拿；提；扛train v.训练；培训trainedadj.受过训练的excitedadj.激动的；兴奋的excitedabout/atsth.对某事感到很激动excitedtodosth.很兴奋于做某事trainingn.训练；培训kindnessn.仁慈；善良cleverv.聪明的understandadj.理解；领会changev.变化；改变设计意图：呈现信件中带有生词或重要知识点的句子，引导学生运用新学的方法猜测词义、学习单词，并进一步感知句意，理解信件内容。ReadthelettertogetherT:Nowpleasereadthelettertogethertogettoknowthecontentandformofathank-youletter.设计意图：提高学生的朗读技巧，进一步熟悉书信格式，为后面的书写环节奠定基础。Workon2cCircleandmakesentencesT:Nowpleaselookatthewordsin2c.Youshouldidentifyandcirclethepartofspeechofeachwordinpairs,andthenyoucanmakeyourownsentenceswiththesewords.设计意图：培养学生活学活用，结合语境理解词义和功能的能力。Workon2dReadandmatchT:Here’sasentence.“I”isthesubject,“takeafter”istheverb,and“mymother”istheobject.Nowyoushouldreadtheletteragainandthenusetheinformationinittomaketruesentencesbymatchingthedifferentparts.Aftermatching,youcanreadthesentencesonebyone.设计意图：让学生感知主谓宾结构的同时，训练学生对信件内容的细节理解。Workon2eDiscussingroupsT:Nowit’stimeforyoutodiscussthesetwoquestionsingroupsoffour.Andthensomegroupswillshowyourideasorviewpointsinourclass.1.Inwhatotherwaysdoyouthinkdogsareabletohelppeople?2.Whatotheranimalscanwetraintohelppeople?设计意图：此环节为读后输出活动，锻炼学生的语言组织能力。TestT:Nowyoushouldtakeatestbychoosingthebestanswers.1.AnimalHelplerscanhelpdisabledpeople.A.残疾人 B.变成残疾 C.有残疾的2.Luckymakesabigdifferencetomylife.A.区别 B.有区别的 C.使……有区别3.Luckyisaspecialtraineddog.A.火车的 B.训练 C.训练有素的4.Openingdoorsisdifficultforme.A.打开 B.开着的 C.开放的5.I’dliketothankyouforyourkindness.A.亲切的 B.善良 C.种类设计意图：通过习题，巩固复习课堂内容。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设计意图：带领学生梳理所学知识，方便学生课后巩固复习。Step6Homework1.Recitethekeywordsandphrases.2.ReadSectionB2daloud.设计意图：课后作业巩固课上所学。五、板书设计Unit2I’llhelptocleanupthecityparks.Secti