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1、精选ppt,1,Section A,Unit 2 Keeping Healthy,Topic 3 Must we exercise to prevent the flu?,精选ppt,2,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,Review,流感,have the flu,精选ppt,3,What should we do to prevent the illne
2、sses?,We should do exercise to build us up.,Ask and answer,预防,使身体强壮,精选ppt,4,What should we do to prevent the illnesses?,We had better eat more fruit and vegetables.,Ask and answer,精选ppt,5,What should we do to prevent the illnesses?,Ask and answer,We shouldnt spit everywhere.,精选ppt,6,What should we d
3、o to prevent the illnesses?,We must keep our rooms clean and the air fresh.,Ask and answer,精选ppt,7,We mustnt keep fingernails long.,What should we do to prevent the illnesses?,Ask and answer,精选ppt,8,Flu is a serious illness, what should we do to prevent it？ Listen to 1a and check Dr. Lis advice., 1.
4、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,精选ppt,9,Watch the flash and write down Dr. Lis advice.,First, _ Second, _ Third, _ Finally, _,we should exerci
5、se 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.,精选ppt,10,Key points,Must we go to see a doctor at once when we have the flu ? 肯定回答： Yes, we must. 否定回答： No, we needn
6、t. / No, we dont have to. 注：此处不能用 mustnt (禁止；不准)回答 Eg: Must I finish my homework now ? No, you neednt. / No，you dont have to.,精选ppt,11,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?
7、B: No, we dont have to. / No, we neednt.,Pair work,精选ppt,12,2. A. Listen to the passage and circle the symptoms that you hear.,fever cough,headache backache,toothache stomachache,sore throat sore eyes,精选ppt,13,B. Listen again and check the advice you hear.,Should,drink lots of boiled water take some
8、 cold pills lie down and take a good rest brush your teeth twice a day,Shouldnt,work on the Internet too long go to crowded places play sports too much eat hot food,精选ppt,14,3. Look at the pictures and write down the advice on how to prevent the flu, using should, had better or must.,1.,2.,We should
9、 exercise often.,We must go to see a doctor at once when we have the flu.,精选ppt,15,3.,4.,We had better keep away from crowded places.,We should take a shower often.,精选ppt,16,5.,6.,We should keep the air fresh.,We should change our clothes often.,精选ppt,17,Drink a lot of water.,Wash hands often.,Give
10、more advice to prevent the flu,精选ppt,18,Eat healthy food.,Dont go to crowded places.,精选ppt,19,Do more exercise.,Open the windows.,精选ppt,20,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,Exercises,精选ppt,21,summary,1.We know how to prevent the flu. 2.We can use must/had better/ should to give advice.,精选ppt,22,Homework,写一篇小短文来说明如何预防流感。 背诵1a。,精选ppt,23,Thank you !,
