[初二]Lesson 92 教学设计方案（人教版）

　　教学目标：
　　1．掌握重点单词和词组:playjokeon,makesblaugh,asksb.todosth.,laughat,givealecture
　　2．进一步掌握Iamsure/Iamnotsure的句型。
　　3．能读懂这个故事，并能回答教师的问题。
　　4．进一步掌握冠词的用法.
　　教具：教学磁带，图片和卡片，幻灯片。
　　教学过程：
　　Step1Revision
　　1.Revisethesentences“I’msure…”and“I’mnotsure…”
　　方案1：播放视频I’msure句型演示此句型的运用。
　　情景1:DoyoulikeBillGates?Doyouwanttobeapersonlikehim?
　　Studentanswered:Iamsurethat….Iamnotsurethat….
　　情景2:Yourbirthdayiscoming.Whatgiftyourmotherwillgiveyou?
　　Studentanswered:Iamsurethat….Iamnotsurethat….
　　2.Revisethevocabularyinthisunit.
　　Step2Leadingin
　　Say:Haveyoueverdonetheshopping?Haveyoueverboughtanyclothes?Whatdidyoubuy?Whatdoyoucarewhenyoubuyclothes?Today,wearegoingtoashoptoseewhatthegirlwillbuyforhermother.
　　Step3Puzzledialogue
　　Readandmatchthepuzzledialogue.Checktheanswerinclass.
　　Havethestudentsguessthemeaningsofsizeandalmost.Explain“mustbe,either”.
　　Practicethedialogueinpairsandactitout.（学生可以准备一些实物教具如衣服等,讲台可以做柜台。）
　　Step4Presentation
　　Say:Doyoulikeplayingjokes?Iliketohearagoodjoke.Havethestudentsguessthemeaningofjoke.
ExplainittotheminChineseifnecessary.
　　Say:TherewasafamousAmericanwriterwholikedtoplayjokes.Doyouknowwhohewas?HisnamewasMarkTwain?Canyoutellmeanythingabouthim?Haveyoureadanyofhisnovels?
　　ShowthestudentsthepictureofMarkTwain.
　　Step5Reading
　　方案1：Playthetapeforthestudents,listenandread.Thenanswer:
HowmanytrainticketsdidMarkTwainreallybuy?Givethestudentsafewminutestoscanthetextfortheanswer.Checktheanswerinclass.
　　方案2：播放视频文件：MarkTwain，让学生对整个故事有个大概了解，然后找出答案。
　　Teachthenewwords:speaker,lose,hide,conductor,check,lie,deaf
　　Explainthephrases:makesb.dosth,.playajokeonsb.(可播放音频进行讲解)
　　Playthetapeagainandhavethestudentslistenandrepeat.
Andanswerthefollowingquestions.
　　1.WhatdoesMarkTwainliketodo?
　　2.Whatdidhisfriendaskhimtodo?
　　3.WhatdidMarkTwainsaytohisfriend?
　　4.Howmanyticketsdidhebuyatlast?
　　5.Washisfriendareallystrangeman?
　　6.Whydideveryonelaugh?
　　7.Whatdoyouthinkhisfriend’sfeelingis?
　　8.WhatdoyouthinkofMarkTwainfromthisstory?
　　Givethekeywordsandphrasedontheblackboardorontheflashcard.
Havethestudentsretellthestory.
　　Step6Writing
　　Studentsreadthestoryandfillintheblanksonpage45.Thenchecktheanswerinclass.
　　Keys:write,speaker,playjokeson,joke,his,nothing,laugh,bring,lecture/speech,
sure/confident,laugh,sat,funny/interesting,but,either,was,later,about,knew
　　Studentsreadthestoryandtrytoretellit.
　　Step7Practice
　　Dividedthestudentsintosmallgroups,havethemtellastoryaboutafamouspersonthey
know.
　　Step8Checkpoint
　　GooverthegrammarArticles.Practisethe“Usefulexpressions”.
Discussanyquestionsthatthestudentsmayraise.
　　Step9Exercise
　　Fillintheblanketswiththerightarticlesifnecessary.
　　1._______Englishis________usefullanguage.
　　2._______Chinaisoneof________largestcountriesin_______world.
　　3.Heborrowed_______dictionaryfrom________schoollibrary.
　　4._______bookon________deskismine.
　　5._______BlacksvisitChinaeveryyear.
　　6.I’mgoodatplaying________footballbutheisn’t.
　　7.What________excitingmatchitis!
　　8.________sunismuchbiggerthan________moon.
　　9.Shelikesplaying________pianoverymuch.
　　10.Hewenttoschoolbefore________breakfastthismorning.
　　答案：1./,a2./,the,the3.a,the4.The,the5.The6./7.an8.The,the9.the10./