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1、1.mp4,What is wrong with little bear? He has the flu.,Question,We had better eat more fruit and vegetables.,What should we do to prevent (预防)the flu?,We should do exercise to build us up.,增强体质,TOPIC 3,Section A,Must we exercise to prevent the flu?,Learning Aims,1.能正确拼读并运用单词表中的单词与短语：question, go ahea
2、d,prevent, build up, all the time, finally.2.能用first, second, third, finally有序地进行表达。3.能正确地运用must 给出建议： You must have a good rest. You must exercise to prevent the flu.4.能比较流利地谈论有关预防流感的话题，能熟练地运用must问答，表示征求意见或提建议。5.学生能够听从他人建议，积极预防感冒。,journalist/dnlst/ n.记者，新闻工作者questionkwestnn. 问题 v. 询问aheadhedadv. 向前
3、；提前，预先go aheadhed（尤指经某人允许）开始preventprventv. 阻止，阻碍，阻挠buildbldv. 增强；建筑，建造build sb up增强.的体质all the time一直finallyfanliadv. 最后；终于；最终crowdedkraddadj. 拥挤的,Self study 1,New words,自读单词，1分钟后看谁读得最准确,eg:You must exercise to prevent the flu.你必须锻炼身体预防流感。,eg: You need do more exercise to build yourself up.你得多锻炼增强体
4、质。,_1.exercise often_2.keep the air fresh_3.go to bed early_4.wash hands and change clothes often _5.keep our rooms clean_6.drink enough water_7.take some medicine_8.keep away from crowded places,Self study 2,1b.Listen to 1a and check Dr. Lis advice.U2T3A-1a.mp3,1c. Watch the flash and write down Dr
5、. Lis advice.P43 U2-T3A-1a.mpg,First, _Second, _Third, _Finally, _,we should exercise often to build us up.,we should keep our rooms clean and the air fresh all the time.,we should wash our hands and change our clothes often.,we should keep away from crowded places.,Read 1a and find the key points.,
6、Key Points,Must we exercise to prevent the flu?肯定回答： Yes, we must.,否定回答： No, we neednt. No, we dont have to.,Eg: Must I finish my homework now ? No, you neednt. No，you dont have to.,Must 引导的疑问句否定形式要用 neednt/dont have to.,Key Points,What should we do to prevent it?prevent动词,意为“阻止、阻挠”。prevent.from doi
7、ng sth“阻止/阻挠.做某事”如：1. Nothing can prevent us from going. 没有任何事情可以阻止我们前进。2.露西的父母试图阻止她玩电脑游戏。 Lucys parents tried to prevent her (from) playing computer games.,First,we should exercise often to build us up.First,second,third,finally在讲话或写作中用来列举观点，使语言有条理。build up 增强.的体质 如：你得多锻炼增强体质。You need do more exerc
8、ise to build yourself up.Everyday he spends 30 minutes doing physical exercises to build himself up 每天他花30分钟锻炼身体增强体质。,Key Points,Example:A: Must we do exercise to prevent the flu?B: Yes, we must.A: Must we take some medicine to prevent the flu?B: No, we dont have to. No, we neednt.,Pair work,Make si
9、milar conversations after the example.,exercise,go to see a doctor,change our clothes,A: Must we . ?B: Yes, we must. No, we dont have to. / No, we neednt.,Journalist: May I ask ., Dr. Li?Dr. Li: Sure,.Journalist: These days many people.So what should we do to . it?Dr. Li: Well,first,we should.often
10、to.Second,we should .our rooms.and.all the time.Third,we should wash.and change.often. Finally,we should.crowded places.Journalist: : Must we.at once when we.?Dr. Li: Yes,we.Journalist: Well.Thank you.,Group Work:Retell 1a,Exercise,1、He believes that his dream can come true.People can not _ him_doin
11、g it.A.prevent;to B. prevent;of C. prevent;from D. prevent;for2、First,we should_ _(增强体质) our bodies to prevent diseases.3、-Must I stay here all the time? -No,you _.A.dont have to B.must C.mustnt D.need,build up,A,C,Summary,1.We learn some new words and phrases:question, go ahead,prevent, build up, all the time, finally.2.We know how to prevent the flu.3.We can use must to give advice.,Write a short passage about how to prevent the flu.Recite 1a.Preview Section B.,Homework,A healthy body is everything.,Thank you,
