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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Section A,Unit 2 Keeping Healthy,Topic 3,Must we exercise to prevent the flu?,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,What should we do to,prevent,the illnesses?,We,should,do exercise to,build us up.,Ask and answer,预防,使身体强壮,What should we do to,prevent,the illnesses?,We,had better,eat more fruit,and vegetables.,Ask and answer,What should we do to,prevent,the illnesses?,Ask and answer,We,shouldnt,spit everywhere.,What should we do to,prevent,the illnesses?,We,must,keep our rooms clean,and the air fresh.,Ask and answer,Flu is a serious illness,what should we do to prevent it,？,Listen to 1a and check Dr.Lis advice.,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,Watch the flash and write down Dr.Lis advice.,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.,动画,1a,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 neednt./,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.,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,.,Pair work,2.A.Listen to the passage and circle the symptoms that you hear.,fever,cough,headache,backache,toothache,stomachache,sore throat,sore eyes,B.Listen again and check the advice you hear.,Should,drink lots of boiled water,take some cold pills,lie down and take a good rest,brush your teeth twice a day,Shouldn,t,work on the,I,nternet too,l,ong,go to crowded places,play sports too much,eat hot food,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,exercise,often.,We,must,go to see,a doctor at once when we have the flu.,3.,4.,We,had better,keep away from crowded places.,We,should,take a,shower often,.,5.,6.,We,should,keep,the air fresh.,We,should,change,our clothes often.,Drink a lot of water.,Wash hands often.,Give more advice to prevent the flu,Eat healthy food.,Dont go to crowded places.,Do more exercise.,Open the windows.,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:I,m a doctor._,A:_,A.I have to save the patients.,B.I know SARS is spreading.,C.So you should care for yourself first.,D.And it,s my duty to save the patients.,E.You must be tired.,F.What,s the matter with you?,G.May I take you to the office?,F,G,B,D,C,Exercises,summary,1.We know how to prevent the flu.,2.We can use,must/had better/,should,to give advice.,Homework,写一篇小短文来说明如何预防流感。,背诵,1a,。,
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