八年级英语上册 Unit 2 Keeping Healthy Topic 2 I must ask him to give up smoking Section D新授课课件 （新版）仁爱版

1、,Topic 2,I must ask him to give up smoking,1.能够谈论有关饮食与健康的话题. 2.能够学习并掌握P4142的生词、短语和句型. 3.能够运用情态动词should / must / can / may等的用法及功能用语.,学习目标,自学指导 1,1.自学内容：生活中有关健康的好习惯与坏习 惯的图片（P41). 2.自学方法：先小组讨论；后听录音. 3.自学时间：5分钟 4.自学要求：能正确表述图片大意.,Look and say,What should we do to keep healthy?,1 Listen and number the fol

2、lowing pictures.,1,2,3,4,5,6,自学检测1,Make sentences with the structures in the box.,should / shouldnt We must / mustnt,We should take showers often.,n.v.淋浴,We should wash the hands before meals.,We should often open the window to keep the air fresh.,We mustnt drink sour milk.,We should tidy our rooms

3、and often sweep the floor.,We mustnt spit in public.,a(r) ,要点归纳 1,情态动词，没有人称和数的变化，后跟动词原形. We should . 是提建议的一种表达方式. 表示有责任和义务“应该”. We shouldnt +动词原形,意为“你不应该”常用来向别人提建议或告诫别人该做什么或不该做什么. eg：We should get up early every day. We shouldnt play football in the street. must表达“义务”、“责任” 表示“必须” ; 进行“肯定的推断”;其否定式 mu

4、stnt 表示 “不允许”“不准”“禁止”. eg：Everybody must follow the rules.(义务、责任) The Chinese language must have the largest number of speakers.(肯定的推断) You mustnt lend the book to others.(不允许、不准、禁止 ）,自学指导 2,1.自学内容：课本P42的生词. 2.自学方法：先根据音标试读，同桌互相正音. 3.自学时间：3分钟 4.自学要求：会读，知道其汉语意思，并了解 其词性.,n.身体,n. 危险，风险 V.（使）冒.的风险,n.事实，现

5、实 / 事实上，实际上,adj.不健康的,n.香烟，纸烟,adj.可能；能做到,fact / in fact unhealthy chemical cigarette body disease harm smoker second-hand risk possible as.as possible,尽量.地,n.病，疾病,n. 化学品,v.n.危害，伤害，损害,n.吸烟者,adj.二手的，旧的,Read and say,自学检测2,自学指导 3,1.自学内容：课本P42的短文. 2.自学方法：寻读. 3.自学时间：6分钟 4.自学要求：了解短文大意，能根据所学的语 法知填空. 找短语，并能正确

6、使用.,Some people think that smoking _ ( 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 c

7、igarettes harms _ (only/ not 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.,can,unhealthy,are,bad,can,not only,c

8、an,must,自学检测 3,cause cancer 引发癌症 not only.but （also）. 不但.而且. second-hand smoke 二手烟 have higher risks 有较高的风险 use.to do sth. 使用.做某事 give up smoking 戒烟 as . as possible 尽可能.地 （as.as one can / could 尽可能.地）,要点归纳 2,The smoke from cigarettes harms not only smokers but other people. 香烟产生的烟雾伤害的不仅仅是吸烟者，还有其他人。

9、 not only.but also. 不但.而且. 在句中常用来连接两个对等的成分，also可以省略。 eg. He is learning not only English but (also) French. 他不但在学英语，而且还在学法语。 She speaks Russian _in class _at home. 她在课堂上和家里都说俄语。 Not only Lucy but also her parents _watching football matches. 不但Lucy，而且她的父母都喜欢看足球比赛。 Not only you but also he _ watching

10、football matches. 不但你，而且他也喜欢看足球比赛。 （用来连接两个主语时，谓语动词的单、复数遵循“就近原则”， 即和but (also)后的名词或代词的数一致。）,not only,but also,like,likes,拓展 may; can,can,May,mustnt,must,can,Grammar,自学检测4,Functions,Staying,good,in,active,1. Choose the answer 1. Watching TV too much _ bad for your eyes. Ill go to bed right away. A. is

11、 B. are C. was D. be 2. If you feel _, you should go to school. A. bad B. worseC. better D. good 3. I cant keep myself active during the day. You _ take more exercise. A. must not B. must be C. need to D. may be 4. You had better ask your brother _ playing computer games. Its bad for him. A. to give

12、 up B. not to give up C. to give it up D. not give it up,当堂训练,2. Choose the sentences to complete the dialog. A：Which is more important, wealth or health? B：In my opinion (观点),_. 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

13、 much meat? B：No, I think _. A：What else should we do? B：We should _. But remember not to do sports soon after meals. A：I see. _? B：It is good.,C,D,A,E,B,合作探究,1.探究内容：课本P42的Project. 2.探究方法：选取两组2人小组口头测试后填写. 3.探究时间：5分钟 4.探究要求：能根据表格口头表述如何保持健康.,We learn: 1. some words : fact，unhealthy，chemical，cigarette，

14、 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) Smokers shouldnt use smoking to help them relax. 4) They must give up sm