仁爱版八年级上Unit2KeepingHealthyTopic2Imustaskhimtogiveupsmoking.SectionB教学设计Themainactivitiesare1aand2a.本课重点活动是1a和2a。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwords:
jafs,smoke,cancer,litter,energy,necessary,enough
2.Learnsomeusefulsentences:
(1)Howterrible!
(2)Don’twalkonthelawn.
(3)It’snecessaryforyourhealth.
3.Learnthemodalsfornecessity:must,mustnot
(1)Imustaskhimtogiveupsmoking.
(2)Youmustputlitterintothedustbin.
(3)Youmustnotthrowlitteraround.
4.Formgoodlivinghabits.
Ⅱ.Teachingaids教具卡片或多媒体课件/图片/录音机/磁带/小黑板或幻灯片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:10分钟)复习巩固SectionA的内容，导入1a的生词。
1.(教师出示教学卡片或多媒体课件，复习学过的良好生活习惯及不良生活习惯。将其顺序打乱，让学生分出好与坏两类。)T:Hello,boysandgirls.Let’slookatthelivinghabitsinthepictures.Choosegoodhabitsfromthem,andsaythemoutinEnglish.First,goodhabits,please.
Ss:Goingtobedearlyandgetupearly.
Doingmorningexercises.
Washinghandsbeforemeals.
Brushingteethtwiceaday.
T:Welldone!Thenbadones,please.
Ss:Stayinguplateatnight.
Goingtoschoolwithoutbreakfast.
Playingsportsrightaftermeals.
Keepingfingernailslong.
2.(以问候学生的方式，复习前面所学知识。通过师生问答的形式导入其他不良习惯，学习新知识。)
T:Nicework.Howareyoufeelingtoday?
Ss:Verywell,thanks.
T:I’mgladtohearthat.Ithinkhealthisveryimportant.Doyouthinkso,boysandgirls?
Ss:Yes.
T:Whatisgoodforyourhealth?
S1:Washinghandsbeforemeals.
S2:Goingtobedearly.
S3:Doingmorningexercises.
S4:Brushingteethtwiceaday.
S5:Keepingshortfingernails.
T:What’sbadforyourhealth?
S6:Stayinguplate.
S7:Keepinglongfingernails.
S8:Goingtoschoolwithoutbreakfast.
S9:Eatingtoomuchcandy.
S10:Workingtoolong.
…
T:Welldone!Let’sbeginthenewlessontolearnmoreaboutthegoodandbadlivinghabits.
3.(教师出示此课中所涉及的不良习惯的图片，逐步导入新课。)
T:Well,whataboutotherbadhabits?Pleaselookatthepictures.S11,isreadinginthesungoodorbad?
S11:It’sbad.
T:That’sright.Sowemustnotreadinthesun.S12,isthrowinglitteraroundgoodorbad?
S12:It’sbad.
T:Right.Don’tthrowlitteraround.Youmustputitintothedustbin.OK?Issmokinggoodorbad?
Ss:It’sbad!
T:Yes.Sowemustnotsmoke.
(板书并要求掌握litter和smoke；理解dustbin。)
litter,dustbin,smoke
Step2Presentation第二步呈现(时间:12分钟)通过听、说的训练，学习1a，并强化对1a的理解。
1.(设置听力任务，播放1a录音，完成听力任务。)
T:Oh,smokingisbadforourhealth.Pleaselistento1a,andanswerthefollowingquestions:
(1)Whichpartofourbodyissmokingbadfor?
(2)Whatmaysmokingcause?
(核对答案。教师可以帮助学生回答第二个问题。)
T:Well.Whatmaysmokingcause?
Ss:“癌症”。
T:Right.Thejafssayssmokingisbadforourlungs.Itmaycausecancer.Sowemustaskpeopletogiveupsmoking.
(板书并要求掌握。)
jafs,cancer
2.(跟读1a，注意语音语调，然后写出对话中的关键词及关键短语。)
T:Now,pleaseread1aafterthetape.Payattentiontothepronunciationandintonation.Thenfindoutthekeywordsorphrasesinthisdialog.
(板书并让全班同学齐读，进一步熟悉关键词及关键短语，为下一步复述对话做准备。)
readinthesun,jafsaboutsmoking,helphimrelax,bebadforhealth,teeth,yellow,cough,bebadforourlungs,cause,cancer,terrible,giveup,show…to
3.(让学生再读1a，找出关键句型。)
T:Read1aagainandfindoutthemainsentencepatterns.
(板书，解释并强化。)
asksb.(not)todosth.
must(not)dosth.
giveupdoingsth.
Step3Consolidation第三步巩固(时间:6分钟)复述1a对话，完成1b和1c。对must,mustnot及don’t的用法进行操练。
1.(根据板书的关键词与关键短语，复述1a对话。)
T:Closeyourbooks,andlookatthekeywordsontheblackboardandtrytoretellthedialog.
(巩固板书的关键句型，灵活应用。)
T:Welldone!Pleasemakenewsentenceswith“asksb.(not)todosth./must(not)dosth./giveupdoingsth.”
(对个别学生提问。)
2.(完成1b，教育学生要养成良好的生活习惯。)
(让学生看图并连线，找几名学生读出连线后的完整句子。)
T:Verygood.Nowpleaselookatthepicturesin1b.Readthegoodorbadhabitsandmatch.ThenI’llasksomeofyoutosayyouranswers.
3.(老师出示1c图片，让学生仔细观察图片，完成1c。)
T:OK.Next,lookatthepicturein1c.Discusswithyourpartnerandwritesomeschoolregulations.
Example:
T:Youmustnotclimbtrees.S1.
S1:Don’tclimbtrees!
T:Youmustnotwalkonthelawn.S2.
S2:Don’twalkonthelawn!
(板书并要求了解。)
lawn
…
(让学生之间利用must,mustnot/don’t句式进行对话操练。)
Step4Practice第四步练习(时间:7分钟)完成2a和2b。让学生学习更多有关良好生活习惯的表达方式。
1.(通过复述1b中的好习惯，导入2a，出示2a中图片。)
T:From1b,weknowsomegoodhabits,suchasdoingmorningexercises,brushingteethtwiceaday,washinghandsbeforemeals.Whataboutotherhealthyhabits?Nowlet’slookatthepictures.
(在图片分析过程中，讲授新单词。)
T:What’stheboydoing?
Ss:He’shavingbreakfast.
T:Right.Breakfastgivesusenergyforthemorning.
(板书，并要求学生掌握。)
energy
(用类似的方法教授necessary和enough，并要求学生掌握。)
2.(播放2a录音，先让学生跟读模仿，后独立阅读。)
3.(看图，复述2a。分组进行，评出优胜组，并给予奖励。)
4.(根据所学内容，完成2b。)
Step5Project第五步综合探究活动(时间:10分钟)通过综合探究活动，进一步巩固本节课所学的语言点，并运用到实际生活中。帮助学生养成良好的生活习惯。
1.(让学生写班级行为规范，进一步强化日常用语。)
T:Now,pleasetakeoutapieceofpaper.Writedowntheregulationsinourclass.
(教师巡回指导，5分钟后找学生读所写内容。)
Example:
Don’ttalkloudlyintheclassroom.
Youmustnotthrowlitteraround.
Youmustnottalkinclass.
Youmustnoteatintheclassroom.
Don’tplayintheclassroom.
T:Verygood!Ifyouobeytherulesyouwrite,ourclasswillbebetter.
2.(双人活动。其中一名学生表演一些行为举止和生活习惯，并且用英文表述，另一名学生加以肯定或劝阻并说明理由。准备三分钟，然后请几组学生到讲台前表演。对话中应用到begoodfor…,bebadfor…,Youmust…,Youmustn’t…,Don’t…等结构。然后评出最佳表演奖，最佳口语奖。发几块糖果给予奖励，并幽默地说：Welldone!Thecandiesaretheprizesforthewinners.Eatingtoomanycandiesisbadforyourteeth,soIcan’tgiveyoutoomany.)
3.Homework:
根据你所积累的个人卫生习惯的相关知识，结合本节课所学的must,mustnot/don’t的用法，分别写出至少五条健康的和不健康的生活习惯，并将好的习惯运用到实际生活中。
板书设计：
Imustaskhimtogiveupsmoking.SectionBbegoodforSmokingisbadforhishealth.
bebadforItmaycausecancer.
giveupdoingsth.Imustaskhimtogiveupsmoking.
todosth.MayIborrowyournewspaperandshowittomyfather?
asksb.Youmustn’tthrowlitteraround.
nottodosth.Don’tstayuplateatnight.
dosth.Breakfastgivesyouenergyforthemorning.
must
notdosth.
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