仁爱版八年级上Unit2KeepingHealthyTopic2Imustaskhimtogiveupsmoking.SectionC教学设计Themainactivitiesare1aand2a.本课重点活动是1a和2a。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:
disease,itself,might,empty,stomach,getinto,human,body,through,illness,air,sour,tidy,sweep,inpublic
2.Goonlearningthemodalsforgivingadviceandnecessity:
(1)Youmightgetaheadachewhenyouworktoohard.
(2)Weshouldkeeptheairfresh.
(3)Weshouldn’tdrinksourmilk.
(4)Wemusttidyourroomsandsweeptheflooroften.
(5)Wemustnotspitinpublic.
3.Talkaboutpersonalhygiene.
Ⅱ.Teachingaids教具教学卡片或多媒体课件/图片/录音机/磁带/小黑板/挂图或幻灯片
Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:10分钟)复习巩固上节课的目标语言。进一步教育学生养成良好的生活及行为习惯。
1.(由师生问候，过渡到询问学生的早餐状况。关注学生健康，自然地进入生活习惯的复习。)
T:Howareyoutoday?
Ss:Fine,thanks.Andyou?
T:Me,too.Didyouhavebreakfast,S1?
S1:Yes.
T:I’mgladtohearthat.Goingtoschoolwithoutbreakfastisbadforyourhealth.Healthis
importantforus.
2.(教师出示教学卡片或多媒体课件，复习上节课所学的有利于健康和不利于健康的生活习惯的表达方式。让学生分出好与坏两类，分组汇报。)
T:Let’slookatthelivinghabitsinthepictures.Dividethehabitsintohealthyhabitsandunhealthyones.ThensaythemoutinEnglish.First,healthyones.Group1,please.
G1:Washinghandsbeforemeals.
Brushingteethtwiceaday.
Doingmorningexercises.
Drinkingenoughwatereveryday.
Goingtobedearlyandgettingupearly.
T:Welldone!Thenunhealthyhabits.Group2,please.
G2:Readinginthesun.
Stayinguplateatnight.
Throwinglitteraround.
Goingtoschoolwithoutbreakfast.
WatchingTVtoolate.
Keepinglongfingernails.
3.(复习must,mustn’t和don’t。再次出示卡片，用must,mustn’t或don’t陈述卡片内容。)
T:Ifwewanttokeephealthy,whatmustwedoandwhatmustn’twedo?
(依次出示卡片，让学生回答。)
S2:Wemustwashhandsbeforemeals.
S3:Wemustbrushteethtwiceaday.
S4:Wemustn’treadinthesun.
S5:Wemustn’tthrowlitteraround.
S6:Don’tkeepfingernailslong.
S7:Don’tstayuplateatnight.
T:Welldone.Asweknow,goodhabitscanmakeushealthy.Badhabitscanmakeusunhealthy.Forexample,stayinguplatemaycauseheadaches.Butwhatcanalsocauseheadaches?OK.Let’scometothenewlessonandlearnaboutthem.
Step2Presentation第二步呈现(时间:10分钟)学习1a，引导学生根据语境猜测生词的意思，培养学生整体阅读的能力。
1.(继续谈论不健康的习惯会导致头痛，并进行一项关于头痛的调查，以此完成1a中导读问题并呈现生词。)
T:Doyouoftengetheadaches,S1？
S1:Sometimes.
T:Doyouknowwhatcausesheadaches,S2?
S2:Idon’tknow.
T:Nevermind.Howdoyoufeelwhenyoudon’tgetenoughsleep,S3?
S3:Ifeelsleepy.
T:Whataboutyou,S4?
S4:Imayhaveaheadache.(引导学生回答。)
T:Yes.Youmightgetaheadacheifyoudon’tgetenoughsleep.Infact,aheadacheisapaininyourhead.It’snotadiseaseitself.Workingtoohard,exercisingforalongtimeonanemptystomachmaycauseheadaches.
(板书，教师适当讲解，并要求掌握might,disease,itself,empty,stomach；理解pain。)
might,pain,disease,itself,empty,stomach
2.(让学生快速阅读短文，为文章确定标题。学生汇报结果并说明理由，教师可先将一些重点短语板书在黑板上，领读并解释。)
apaininyourhead,don’tgetenoughsleep,onanemptystomach
T:Pleasereadthepassagequicklyandgiveitapropertitle.(2分钟后)S5,please.
S5:Headache.
T:S6,please.
S6:Aheadache.
S7:Whatcausesheadaches?
T:OK.Let’slistento1aandfindtheanswer.
Step3Consolidation第三步巩固(时间:8分钟)完成1b，巩固1a中的短语，强化对1a的理解。
1.(让学生听1a录音并跟读，注意语音语调。在学生听的同时，教师板书1a关键词。)
T:Listento1aandrepeat.Payattentiontothepronunciationandintonation.
2.(把握关键词，掌握复述技巧。)
T:Pleasetrytotalkaboutthepassageinyourownwords.Youcanlookatthekeywordsontheblackboard.
Example:
Iknowaheadacheisn’tadisease.Thereissomethingwrongwithourhealth…
(及时鼓励学生，增强学生信心。)
3.(完成1b，巩固1a中重点短语。并核对答案。为2b的活动做铺垫。)
T:Great.Nowpleaseread1aagainandwritedownthepossiblecausesofaheadache.Thengivesomeadvicetopreventheadachesbyusingshould/shouldn’t/must/mustnot/don’t.
Step4Practice第四步练习(时间:10分钟)学习个人卫生常识，进一步巩固情态动词should/shouldn’t和must/mustnot的用法。完成2a，2b。
1.(由谈论头痛形成的原因及健康的生活习惯，引出2a并学习文中部分生词，然后让学生阅读2a，了解疾病是怎样形成的。)
T:Boysandgirls,wetalkedaboutwhatcausesheadaches.Asweknow,headacheisn’tadiseaseitself.Butifwedon’thavehealthylivinghabits,germscangetintothehumanbodyandcausediseases.Howdogermsgetintothehumanbody?Let’sread2aandlearnaboutit.
(板书，要求学生掌握getinto,human,body；了解germ。)
germ,getinto,human,body
T:OK.Lookatthepicturesin2aandreadthesesentences.Pleasefindoutthenewwords,andtryyourbesttoguesstheirmeanings.Ifnecessary,lookthemupinthewordlist.
(几分钟后，提问个别同学。)
(板书，要求理解skin和ha；掌握through和illness。)
through,skin,ha,illness
(播放2a录音，让学生跟读并注意语音语调。)
T:Thesepicturesshowhowgermsmakeussick.Nowpleaselistentothetapeandrepeat.Payattentiontothepronunciationandintonation.
(对有难度的句子可以多次播放并讲解。)
2.(让学生读2a，画出关键词。)
T:Pleaseread2aandfindoutthekeywords.
(找学生板书关键词。教师核对。)
germ,getinto,cause,diseases,
throughthenose/themouth/theskin,
haveanillness
T:Nowcloseyourbooks.Let’stalkaboutthesepictures.Youcanusethekeywordsontheblackboard.
(可用幻灯片或课件或挂图展示2a。)
3.(总结2a中病菌进入身体的几种途径。)
T:Let’sfindouthowthegermsgetintoourbody.
(板书)
(1)throughthenose
(2)throughthemouth
(3)throughtheskin
4.(展示2b图片，了解预防疾病的措施。)
(先让学生根据图片猜测2b中生词及短语的意思，然后对学生提问，必要时引导学生回答。)
T:Lookatthepictures.Pleasetalkaboutwhatweshoulddotokeepawayfromgerms.Makesuretouse“Weshould/shouldnot…”and“Wemust/mustnot…”
(两分钟后。)
T:Whatshouldwedotokeepawayfromgerms?
S1:Weshouldkeeptheairfresh.
S2:Weshouldn’teatbadfood.
S3:Weshouldn’tdrinksourmilk.
S4:Weshouldkeepourbodiesclean.
S5:Wemustwashourhandsbeforemeals.
S6:Wemustn’tkeeplongfingernails.
S7:Wemusttidyourroomsandsweeptheflooroften.
S8:Wemustn’tspitinpublic.
(需要及时讲解并板书，要求学生掌握air,sour,tidy,sweep,inpublic；理解spit。)
air,sour,tidy,sweep,spit,inpublic
Step5Project第五步综合探究活动(时间:7分钟)通过综合探究活动，使学生把本话题所学的知识及目标语言有效地应用到生活及人际交往中。
1.(让学生展开想象，扩大知识面。鼓励学生自由发挥，将本课所学的有关建议的及表示必要性的情态动词，个人卫生习惯等知识点，按教师所提供话题进行综合运用。)
T:Let’sdiscusswhatelseweshoulddotokeepawayfromgerms.
(尽量脱离课本，最好不要与课文内容重复。)
Example:
Weshoulddomorningexerciseseveryday.
Weshouldnotthrowlitteraround.
Wemusteatmorefruitandvegetables.
Wemustnotgotobedtoolate.
(教师巡视并指导，看谁运用得较好。挑出几名学生编一个思路清晰、逻辑性强的短剧，即兴表演出来。教师给予鼓励，使学生在运用语言的过程中增强自信，继续保持学习英语的兴趣。)
2.Homework:
T:Discusswhatweshoulddotokeepawayfromheadaches.
Example:
Weshouldn’tworktoohard.
Wemustgetenoughsleep.
Wemustnotexerciseonanemptystomach.
(要求学生用讨论的结果完成表格，作为家庭作业。)
HowtokeepawayfromheadachesShouldShouldnotMustMustnot
板书设计：
Imustaskhimtogiveupsmoking.Youcanalsogetaheadachewhenyouexerciseforalongtimeonanemptystomach.Wecangetintothehumanbodyandcausediseases.
Weshouldtidyourroomsandsweeptheflooroften.
SectionConanemptystomach
getinto
causediseases
nose
mouth
skin
throughthe
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