Unit2Topic3SectionD学案初中英语八年级上册

Unit2Topic3SectionD【学习目标】1.能看懂谈论健康的文章。2.了解有关运动健身的知识;能够用英语讨论如何保持健康。3.总结情态动词haveto,must及反身代词的用法和相关语言点。【预习导学】一、填一填1.停止做某事

2.一个好主意

3.热身

4.伸展你的大腿与胳膊

5.找个合适的地方锻炼

6.花费很多钱来锻炼

7.让你的身体动起来

8.代替;而不是

9.每次30分钟

二、译一译1.锻炼越多越好。______________________________________________________________2.锻炼前热身是重要的。______________________________________________________________3.你不需要为家里买运动器材。______________________________________________________________4.你的身体需要水来提供能量和保持凉爽。______________________________________________________________【答案】一1.stopdoingsth.2.agoodidea3.warmup4.stretchyourlegsandarms5.findagoodplacetoexercise6.spendalotofmoneyexercising7.getyourbodymoving8.insteadof9.30minuteseachtime二1.Themoreexercise,thebetter.2.Itisimportanttowarmupbeforeyouexercise.3.Youdon'tneedtobuyexerciseequipmentforyourhome.4.Yourbodyneedsthewaterforenergyandforkeepingcool.【合作探究】任务驱动一复习语法1.must与haveto的区别①情态动词must意思是“必须;应该”,含有之意。如:

Youmustfinishyourhomeworkfirst.你必须先完成家庭作业。②must的否定式为,意为“禁止;不得”。如:

Hemustn'tleaveherebeforeteno'clock.十点之前他不得离开这里。③must开头的一般疑问句,其否定答语用或。如:

—Mustwehandinourexercisestoday?—No,you.

④must表示必然结果,意为“一定,必定”。如:Ifyoudon'tworkhard,youmustfailintheexam.如果你不努力学习,你必定不会通过考试。⑤must表示有把握的推测,意思是“肯定”,否定推测用cannot,缩写为can't。Therebesomethingwrongwiththemachine.那台机器肯定出了故障。

Hebesoold.他不可能那么老。

⑥must与haveto的用法区别:have/hastodosth.表示因为观原因而必须做某事,有被迫之意,可以用于多种时态;而must通常表示由于责任、义务等观原因而必须做某事。如:

Weobeythetrafficrules.我们必须遵守交通规则。

Myparentsaren'tin.Istayathometolookaftermysister.我父母不在家,我得在家照顾妹妹。

2.复习反身代词用适当的反身代词填空。①Lastweekendweenjoyedinthepark.

②Theboyistooyoungtolookafter.

③MybrothertaughtEnglishontheInternetlastyear.

④Becarefulwiththatknife,oryouwillhurt.

⑤Iseeinthemirror.

⑥“What'swrongwithme?”Themanasked.

⑦Maryoftenwashesherclothesby.

⑧Iboughtanewdictionaryforyesterday.

⑨—Didtheyfinishtheirworkby?

—Yes,theydid.⑩Thecatiswashingitsface.

3.打的交际用语和搭档两人一组,模拟打的场景。参考语言结构:A:Hello,thisisMaryspeaking.CanIspeaktoJohn,please?B:I'msorry,heisn'tin.ThisisJohn'smother.CanItakeamessageforyou?A:Ofcourse.Pleasetellhimtomeetmeatthecinemaat4:00p.m.thisafternoon....◎学法指导:模拟打时尽可能地接近真实情况,可通过表情、动作、语音语调来表现。任务驱动二阅读训练1.Read1aandanswerthefollowingquestions.①Whatisthefirststepofdoingexercise?②Wherecanyourunorplaysports?③Howlongshouldyoudoexerciseeachtime?④Whatshouldyoudoifyouhurtyourselfwhileexercising?2.Completethemindmap.3.Retellthepassage.小组合作,写出关键句和短语,根据上面的思维导图,复述文章内容。Youmaybeginlikethis:Whenweareexercising,weshouldpayattentiontothefollowingrules.First,SecondLast,

任务驱动三小组活动1.Haveadiscussion.组内讨论如何保持健康,可以从eatinghabits,sleepinghabits,exercise,happiness,helpothers等方面展开讨论。TopicItemsEatinghabits

Sleepinghabits

Exercise

Happiness

TopicItemsHelpothers

......2.Writeanewspaper.组内合作,每人负责一个板块,完成手抄报的制作。参考语言结构:Eatinghabits:1.Anappleadaykeepsthedoctoraway.2.Eatlessmeatandfish,morevegetabledish,andthatwillmakeyouhealthy.Sleepinghabits:1.Earlytobed,earlytorise....【答案】任务驱动一1.①要求、命令②mustn't③needn'tdon'thavetoneedn't/don'thaveto⑤mustcan't⑥客主musthaveto2.①ourselves②himself③himself④yourself/yourselves⑤myself⑥himself⑦herself⑧myself⑨themselves⑩itself任务驱动二1.①Warmingup.②Inaparkorinyourschoolgym.③For30minutes.④Restuntilyoufeelbetter.2.WarmupyourschoolgymbodyenjoyableafewtimesDrinkenoughwater.rest任务驱动三1.Havebreakfasteveryday.Eatriceforlunch.Eatalotofvegetablesandfruit.Eatlittleicecream....Gotobedearlyandgetupearly.Sleepforabouteighthoursanight....Runforhalfanhoureverymorning.Playbasketballonweekends....Keephappyeveryday....Helpoldpeoplecrosstheroad.Helpclassmateswhentheyneed....【知识超市】[命题点一]Youdonotneedtospendalotofmoneyexercising.你不必花大量的钱来锻炼。◎用法总结:needtodosth.“需要做某事”,该句中的need为实义动词。其否定式:don't/doesn't/didn't/won'tneedtodosth.。【拓展】need作情态动词时,表示“需要”或“必须”,通常用于否定句、疑问句、条件句。如:Youneedn'tdoitagain.你不需要重复做了。其一般疑问句的答语,肯定回答用must,否定回答用needn't。如:—NeedIgowithher?我需要和她一起去吗?—Yes,youmust.是的,你需要去。/No,youneedn't.不,你不必去。对点自测用need的正确形式填空1.—MustIhandinthehomeworkrightnow?—No,you.

2.每个人都需要天天运动。Everyonetoexerciseeveryday.

【答案】1.needn't2.needs[命题点二]Chooseasportthatyouenjoyandthenyourexercisewillbefuninsteadofwork.选择一项你喜欢的运动,那么你的运动就会变得有趣,而不是工作。

instead意为“代替;反而”,作副词用,通常位于句尾。如位于句首时,常用逗号与后面隔开。instead在顺接句子中作“代替”讲,而在转折(或逆转)句子中意为“然而”。如:Lilyisn'there.AskLucyinstead.莉莉不在这儿,去问露茜吧。inste