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1、Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu?,Section A,Task 1,illnesses,感冒,发烧,咳嗽,头痛,牙痛,背痛,胃痛,have a cold,have a fever,have a cough,have a headache,have a toothache,have a backache,have a stomachache,流感,have the flu,Revision,Translate,What should we do to prevent illnesses?,We
2、should do exercise to build us up.,预防,Pre-listening,Ask and answer,使身体强壮,We had better eat more fruit and vegetables.,We shouldnt/mustnt spit everywhere.,Pre-listening,We must keep our rooms clean and the air fresh.,Listen and check Dr. Lis advice, 1. exercise often 2. keep the air fresh 3. go to be
3、d 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,While-listening,First, _ Second, _ Third, _ Finally, _,we should exercise often to build us up.,we should keep our rooms clean and the air fresh all th
4、e time.,we should wash our hands and change our clothes often.,we should keep away from crowded places.,Listen again and write down Dr. Lis advice,While-listening,肯定回答： Yes, we must. 否定回答： No, we neednt. / No, we dont have to. 注：此处不能用 mustnt (禁止；不准) 回答 e.g. - Must I finish my homework now ? - No, yo
5、u neednt. / No, you dont have to.,Post-listening,Must we go to see a doctor at once when we have the flu?,Key point,Post-listening,Retell Dr. Lis advice,These days many people have the flu and Dr. Li is very kind to give the following advice to prevent it. First, Second, Third, Finally, Well take th
6、e advice.,Make similar conversations after the example,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.,Post-listening,Task 2,Pre-listening,Free talk,What should you do if you have a flu? W
7、hat should we do to prevent the flu?,Listen and circle the symptoms that you hear,fever cough,headache backache,toothache stomachache,sore throat sore eyes,While-listening,Listen again and check the advice you hear,Should,Shouldnt,While-listening,Look at the pictures and write down the advice on how
8、 to prevent the flu, using should, had better or must.,1.,2.,We should exercise often.,We must go to see a doctor at once when we have the flu.,Post-listening,3.,4.,We had better keep away from crowded places.,We should take a shower often.,Post-listening,5.,6.,We should keep the air fresh.,We shoul
9、d change our clothes often.,Post-listening,选择方框中的句子完成对话，其中有两项多余。 A: You look pale, Dr. Li. _ B: I only feel a little tired. A: It looks more serious than being tired. _ B: No, thanks. Nothing serious, I think. A: _ But you have worked for thirty-six hours without having a rest. B: Im a doctor. _ A: _,F,G,B,D,C,Post-listening,Exercise,1.We know how to prevent the flu. 2.We can use must/had better/should to give advice.,Summary,Homework,Write a short passage about how to prevent the flu. Recite the dialogue in 1a. Preview Section B.,Thankyou!,敬请各位老师提出宝贵意见！,Goodbye！,
