八年級英語上冊Unit2KeepingHealthyTopic2ImustaskhimtogiveupsmokingSectionD新授課課件新版仁愛版

1、topic 21.能夠談?wù)撚嘘P(guān)飲食與健康的話題能夠談?wù)撚嘘P(guān)飲食與健康的話題.2.能夠?qū)W習(xí)并掌握能夠?qū)W習(xí)并掌握p4142的生詞、短的生詞、短語和句型語和句型.3.能夠運用情態(tài)動詞能夠運用情態(tài)動詞should / must / can / may等的用法及功能用語等的用法及功能用語. 學(xué)習(xí)目標學(xué)習(xí)目標自學(xué)指導(dǎo)自學(xué)指導(dǎo) 1 1 1.自學(xué)內(nèi)容：生活中有關(guān)健康的好習(xí)慣與壞習(xí)自學(xué)內(nèi)容：生活中有關(guān)健康的好習(xí)慣與壞習(xí) 慣的圖片（慣的圖片（p41). 2.自學(xué)方法：先小組討論；后聽錄音自學(xué)方法：先小組討論；后聽錄音. 3.自學(xué)時間：自學(xué)時間：5分鐘分鐘 4.自學(xué)要求：能正確表述圖片大意自學(xué)要求：能正確表述圖片大

2、意.1 listen and number the following pictures.1 12 23 34 45 56 6自學(xué)檢測自學(xué)檢測1 1 make sentences with the structures in the box. should / shouldnt we must / mustntwe should take showers often.n.v.淋浴淋浴we should wash the hands before meals.we should often open the window to keep the air fresh.we mustnt drink

3、 sour milk.we should tidy our rooms and often sweep the floor.we mustnt spit in public.a(r) 要點歸納要點歸納 1 1 情態(tài)動詞，沒有人稱和數(shù)的變化，后跟動詞原形情態(tài)動詞，沒有人稱和數(shù)的變化，后跟動詞原形.we should . 是提建議的一種表達方式. 表示有責任和義務(wù)“應(yīng)該”. we shouldnt +動詞原形,意為“你不應(yīng)該”常用來向別人提建議或告誡別人該做什么或不該做什么.eg：we should get up early every day. we shouldnt play football

4、 in the street.must表達“義務(wù)”、“責任” 表示“必須” ; 進行“肯定的推斷”;其否定式 mustnt 表示 “不允許”“不準”“禁止”.eg：everybody must follow the rules.(義務(wù)、責任) the chinese language must have the largest number of speakers.(肯定的推斷) you mustnt lend the book to others.(不允許、不準、禁止 ） 自學(xué)指導(dǎo)自學(xué)指導(dǎo) 2 2 1.1.自學(xué)內(nèi)容：課本自學(xué)內(nèi)容：課本p42p42的生詞的生詞. . 2.2.自學(xué)方法：先根據(jù)音

5、標試讀，同桌互相正音自學(xué)方法：先根據(jù)音標試讀，同桌互相正音. . 3.3.自學(xué)時間：自學(xué)時間：3 3分鐘分鐘 4.4.自學(xué)要求：會讀，自學(xué)要求：會讀，知道其漢語意思，并了解知道其漢語意思，并了解 其詞性其詞性. .n.身體身體n. 危險，風(fēng)險危險，風(fēng)險 v.（使）冒（使）冒.的風(fēng)險的風(fēng)險n.事實，現(xiàn)實事實，現(xiàn)實 / 事實上，實際上事實上，實際上adj.不健康的不健康的n.香煙，紙煙香煙，紙煙adj.可能；能做到可能；能做到 fact / in fact unhealthy chemical cigarette body disease harm smoker second-hand risk

6、possible as.as possible盡量盡量.地地n.病，疾病病，疾病n. 化學(xué)品化學(xué)品v.n.危害，傷害，損害危害，傷害，損害n.吸煙者吸煙者adj.二手的，舊的二手的，舊的自學(xué)檢測自學(xué)檢測2 2 自學(xué)指導(dǎo)自學(xué)指導(dǎo) 3 3 1.1.自學(xué)內(nèi)容：課本自學(xué)內(nèi)容：課本p42p42的的短文短文. . 2.2.自學(xué)方法：自學(xué)方法：尋讀尋讀. . 3.3.自學(xué)時間：自學(xué)時間：6 6分鐘分鐘 4.4.自學(xué)要求：自學(xué)要求：了解短文大意，能根據(jù)所學(xué)的語了解短文大意，能根據(jù)所學(xué)的語 法知填空法知填空. . 找短語，并能正確使用找短語，并能正確使用. . some people think that sm

7、oking _ ( must/can) help him relax. in fact, smoking is really _ (healthy/unhealthy). do you know that there _ (is/are) over 4000 chemicals in cigarettes? these chemicals are _ (good/bad) for our bodies. they _ (must/can) cause cancer and other diseases. the smoke from cigarettes harms _ (only/ not

8、only) smokers but also other people. its called “second-hand smoke” and it _ (can/cant) be more dangerous and has higher risks. smokers shouldnt use smoking to help them relax. they _ (must/mustnt) give up smoking as soon as possible.canunhealthyarebadcannot onlycanmust自學(xué)檢測自學(xué)檢測 3 3cause cancer 引發(fā)癌癥n

9、ot only.but （also）. 不但.而且.second-hand smoke 二手煙have higher risks 有較高的風(fēng)險use.to do sth. 使用.做某事give up smoking 戒煙as . as possible 盡可能.地（as.as one can / could 盡可能.地）要點歸納要點歸納 2 21. the smoke from cigarettes harms not only smokers but other people. 香煙產(chǎn)生的煙霧傷害的不僅僅是吸煙者，還有其他人。 not only.but also. 不但.而且. 在句中常用來

10、連接兩個對等的成分，also可以省略。eg. he is learning not only english but (also) french. 他不但在學(xué)英語，而且還在學(xué)法語。 she speaks russian _in class _at home. 她在課堂上和家里都說俄語。 not only lucy but also her parents _watching football matches. 不但lucy，而且她的父母都喜歡看足球比賽。 not only you but also he _ watching football matches. 不但你，而且他也喜歡看足球比賽。

11、（用來連接兩個主語時，謂語動詞的單、復(fù)數(shù)遵循“就近原則”， 即和but (also)后的名詞或代詞的數(shù)一致。）not onlybut alsolikelikes拓展拓展& &應(yīng)用應(yīng)用2. smokers shouldnt use smoking to help them relax. 吸煙者不應(yīng)該用吸煙來放松自己。 use.to do sth. 使用.做某事eg. 我們經(jīng)常使用詞典去查閱（look up）新單詞。 _.3. they must give up smoking as soon as possible.他們必須盡快戒煙。 as . as possible 盡可能.

12、與as.as one can 可互換eg. please write down your answers as fast as possible. = please write down your answers _. 請盡快寫下你的答案。we often use the dictionary to look up the new words.as fast as you can自學(xué)指導(dǎo)自學(xué)指導(dǎo) 4 4 1.1.自學(xué)內(nèi)容：課本自學(xué)內(nèi)容：課本p4p41 1的的grammar & functions. . 2.2.自學(xué)方法自學(xué)方法：填寫：填寫 3.3.自學(xué)時間：自學(xué)時間：2 2分鐘分鐘 4

13、.4.自學(xué)要求：自學(xué)要求：熟記并能正確使用熟記并能正確使用. .modal verbs (): must/mustnt; may; canyou _ throw litter around. he thinks smoking _ help him relax.it _ even cause cancer. i _ ask him to give up smoking._i borrow your newspaper and show it to my father?canmaymustntmustcangrammar 自學(xué)檢測自學(xué)檢測4 4 _ up late is bad for your

14、 health. how terrible! its _ for your health. dont read _ the sun. it will keep you _ during the day.functions stayinggood inactive1. choose the answer1. watching tv too much _ bad for your eyes. ill go to bed right away.a. is b. are c. was d. be2. if you feel _, you should go to school.a. bad b. wo

15、rsec. better d. good3. i cant keep myself active during the day. you _ take more exercise.a. must not b. must be c. need to d. may be4. you had better ask your brother _ playing computer games. its bad for him.a. to give up b. not to give up c. to give it up d. not give it up當堂訓(xùn)練當堂訓(xùn)練2. choose the se

16、ntences to complete the dialog.a：which is more important, wealth or health?b：in my opinion (觀點),_.a：i agree with you. but how can we keep healthy?b：i think _ especially (尤其) green vegetables and fruit.a：can we eat too much meat?b：no, i think _.a：what else should we do?b：we should _. but remember not

17、 to do sports soon after meals.a：i see. _?b：it is good. a. that is bad for our healthb. is going to bed early good or bad for our healthc. health is more important than wealthd. we should eat healthy foode. do some sports every dayc d a e b 合作探究合作探究 1.1.探究探究內(nèi)容：課本內(nèi)容：課本p4p42 2的的project. . 2.2.探究探究方法方法

18、：選取兩組：選取兩組2 2人小組口頭測試后填寫人小組口頭測試后填寫. . 3.3.探究探究時間：時間：5 5分鐘分鐘 4.4.探究探究要求要求：能根據(jù)表格口頭表述如何保持健康能根據(jù)表格口頭表述如何保持健康. .uwe learn: 1. some words : fact，unhealthy，chemical，cigarette， body，disease，harm ，smoker，second-hand，risk， possible 2. some phrases: in fact ，as.as possible，cause cancer not only.but （also）. ，have higher risks ， use.to do sth. give up smoking 3. some sentences : 1) we should take showers often. 2) we should often open the window to keep the air fresh. 3) smoker