【文档说明】《Unit 2 Topic 3 Must we exercise to prevent the flu》教案4-八年级上册英语仁爱（科普版）.doc，共(4)页，75.500 KB，由小喜鸽上传

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Topic3Mustwedoexercisetopreventtheflu?SectionAThemainactivitiesare1aand1c.本课重点活动是1a和1c。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewword

sandphrases:hurry,hurryup,question,goahead,spread,among,prevent,allthetime,keepaway(from)2.Goonlearningthemodalverbsshouldandmust:(1)Whatsho

uldwedotopreventit?(2)Weshouldkeepourroomsclean.(3)—Mustwedoexercisetopreventtheflu?—Yes,wemust./No,wedon’th

aveto./No,weneedn’t.3.Askingforandgivingadvice.4.Talkabouthowtopreventtheflu:(1)Weshouldexerciseoftentobuildusup.(2)Wesho

uldwashourhandsandchangeourclothesoften.(3)Wehadbetternotgotocrowdedplaces.Ⅱ.Teachingaids教具图片/录音机/磁带

/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)师生讨论如何保持健康，引出如何预防流感，导入新课。1.(师生就健康话题进行讨论。注意应用情态动词should,shouldn’t,must,mustn’t，导入本课的目标

语言don’thaveto,needn’t。)T:Boysandgirls,weknowkeepingtheschoolandclassroomscleanisgoodforourhealth.Thendoyouknowhowtokeep

healthy?You’dbettersayitwithshould/shouldn’t,must/mustn’t,hadbetter(not).S1:Weshouldhavehealthyeatinghabits.S2:Wemustn’tthrowlitteraround

.S3:Wemustn’tdrinksourmilk.T:Mustwegotoseeadoctorwhenwehaveaheadache?S4:Yes,wemust.(帮助学生用否定形式回答。)T:No,wedon’thave

to./weneedn’t.Wecanhaveagoodrest.(板书并讲解。)Mustwegoto…?Yes,wemust./No,wedon’thaveto./weneedn’t.S5:Weshouldn’texerciseonanempt

ystomach.S6:Weshouldhaveenoughsleep.S7:Weshouldbrushteethtwiceaday.S8:Weshouldn’treadinthesun.T:Whatelsesho

uldwedotokeephealthy?Pleasemakesomesentenceswithhadbetter.S9:You’dbettergotobedbeforenineo’clockintheevening.S10:Wehadbetternotplays

portsrightaftermeals.…2.(通过谈论如何保持健康，引出如何预防流感这个话题，可适当用汉语解释，导入新课。)T:Goodhabitscanhelpustokeephealthyandbadonescancausediseases.Thereisaser

iousdiseasecalledflu.Itspreadseasilyamongpeopleinspringandautumn.(板书，并要求学生掌握。)spread,amongT:Thefluisaser

iousdisease,butwedon’thavetobeafraidofit.Wecandosomethingtopreventit.Buthowtopreventit?Ifyouwanttoans

werthisquestion,pleasefollowme.(板书，让学生猜词义，并要求掌握。)prevent,questionStep2Presentation第二步呈现(时间:13分钟)利用图片进行师生对话，呈现1a内容，

学习文中部分生词，为听力扫清障碍。听录音回答问题，然后读对话找关键词，培养学生从听和阅读中提取重要信息的能力。1.(假设近几天发生流感，教师用图片给以提示，让学生尽量用英语谈论怎样来预防流感，学生不会说的单词，教师给予帮助、引导，以此来学习1a中的部分生词。)T:Supposethefluspr

eadsquicklyamongpeoplethesedays.Whatshouldwedotopreventit?(教师出示开窗通风的图片。)Ss:Weshouldkeeptheairfresh.T:Yes,weshouldkeepthe

airfreshallthetime.(板书并让学生掌握。)allthetime(教师出示一幅画有拥挤人群的图片。)T:Ifthefluspreads,isitrighttogotocrowdedplaces?Ss:No,wehadbettern

otgotocrowdedplaces.(引导学生回答。)T:Yes,weshouldkeepawayfromcrowdedplaces.(板书并要求掌握短语，理解生词。)crowded,keepaway(from)2.(用1a中的图片引出1a听力。)T:Lo

okatthepicturein1a.KangkangiswatchingTV.OnTV,ajournalistisinterviewinghisfather.Whataretheytalkingabout?Let’slistento1a.(板书，并让学

生理解。)journalist(出示小黑板上的问题，让学生带着问题听1a录音，回答问题。核对答案。)T:Now,listentothetapeandfindouttheanswerstothesequestions.(1)

Whataretheytalkingabout?(2)HowmuchadvicedoesDr.Ligiveinthedialog?3.(认真阅读1a，找出关键词及生词。)T:Pleasereadthedialogcarefullyandthenfindoutt

hekeywordsandnewwords.(核对答案。板书关键词及生词。解释并要求学生掌握hurry,hurryup,goahead；理解finally。)hurryup——onTV——ajournalist——asksomequestions—

—goahead——theflu——spread——among——First,…exercise——Second,keep…cleanand…fresh——allthetime——Third,wash…andchange…——Finally,…crowdedplacesStep3

Consolidation第三步巩固(时间:7分钟)完成1a和1b，使学生熟悉目标语言。1.(再放1a录音，并让学生跟读，注意模仿语音语调。然后完成1b，并以问答形式巩固。)T:Listento1aagainandrepeat.Payatten

tiontothepronunciationandintonation.Thenfinish1b.AskandanswerinpairstocheckDr.Li’sadvice.Example:S1:Whatshouldwedotopreventtheflu?S2:Weshoulddoexe

rciseoften.Weshouldn’tgotocrowdedplaces…2.(学生自读1a后，四人一组练习对话。然后脱离课本，根据黑板上的关键词，表演出来。)T:Read1abyyourselves,thenpracticei

tingroupsoffour.Youcanlookatyourbooksatfirst.Thenactoutthedialogaccordingtothekeywordsontheblackboard.Step4Practice第四步练习(时间:10分钟)完成1c和2。通过编对话

，使学生进一步掌握本课的目标语言。1.(完成1c，重点训练don’thaveto/needn’t的用法。练习本课目标语言。)T:Let’sdo1cusingtheinformationin1b.Firstreadthedialog,andpayattentiontothetarget

languagedon’thaveto/needn’t.2.(先师生问答，然后由学生两人一组练习。)T:Now,Iask,youanswer,thenpracticeinpairs.Example:T:Mustwefinishhomeworkontime?S1:Yes,wemust.T:

Mustwefinishitnow?S2:No,wedon’thaveto.S3:No,weneedn’t.3.(看2中的图片，讨论怎样预防流感。)T:Lookatthepicturesin2,anddiscusswhatweshouldd

otopreventtheflu.(讨论几分钟后，要求学生完成2里面的练习。提示学生注意should,hadbetter,must的用法。)T:Followtheexamplestomakedialogsusingthesentencepatterns:“Weshould…/Wehadbetter

…/Wemust…”Example:Dialog1A:Whatshouldwedotopreventtheflu?B:Weshoulddomoreexercise.Dialog2A:Whatshouldwedotopreventtheflu?B:Weshou

ldgotoseeadoctor.Dialog3A:Whatshouldwedotopreventtheflu?B:Wemustkeepawayfromcrowdedplaces.(教师可帮助学生回答。)(学生小

组练习之后，核对答案。教师可以请几组同学到讲台前为大家表演。)Step5Project第五步综合探究活动(时间:7分钟)通过创设情景，分角色表演和写短文，提高学生综合运用本课所学语言知识的能力。1.(四人一组做一个采访。一人扮演记者，其他三人扮演医生。记者采访如何预防流感，医生回答记者的提问。评出

优胜组。)T:Workingroupsoffour.Oneactsasajournalist.Theothersactasdoctors.Thejournalistaskshowtopreventtheflu.Thedoctorsanswerthejournalist’squesti

ons.Thenactoutinthefrontandwewilldecidewhichgroupisthewinneratlast.2.Homework:写一篇小短文来说明如何预防流感。板书设计：Mustwedoexercis

etopreventtheflu?SectionAhurryupFluisspreadingquicklyamongpeoplethesedays.goaheadWeshouldexerciseoftentobuildusup.doexerciseWehadbetternotgot

ocrowdedplaces.crowdedplacesMustwedoexercisetopreventtheflu?keepaway(from)Yes,wemust./No,wedon’thaveto./No,weneedn’t.