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1、Section A,Unit 2 Keeping Healthy,Topic 3 Must we exercise to prevent the flu?,Enjoy an exercise song,学习目标1.学习短语（保持健康的良好生活习惯）。2.学习用情态动词must 表达需要和劝告的用法。3.学习用first,second,third,finally 表达语意连贯。,illnesses,喉咙痛,发烧,咳嗽,头痛,牙痛,背痛,胃痛,have a sore throat,have a fever,have a cough,have a headache,have a toothache,
2、have a backache,have a stomachache,Review,流感,have the flu,眼睛痛,have sore eyes,2.A.Listen to the passage and circle the symptoms that you hear.,fevercough,headachebackache,toothachestomachache,sore throatsore eyes,B.Listen again and check the advice you hear.,Must,drink lots of boiled water take some
3、cold pills lie down and take a good rest brush your teeth twice a day,Mustnt,work on the Internet too long go to crowded places play sports too much eat hot food,What should we do to prevent the illnesses?,do exercise to build us up.,Ask and answer,预防,使身体强壮,We must,What should we do to prevent the i
4、llnesses?,We must open the window and keep the air fresh.,Ask and answer,-Yes,we must.-No.we neednt/dont have to 没必要,Must we open the window and keep the air fresh?,What should we do to prevent the illnesses?,Ask and answer,We must keep away from crowded places.,拥挤的地方,远离,Must we keep away from crowd
5、ed places?,What should we do to prevent the illnesses?,Ask and answer,spit in public.,在公共场合吐痰,We mustnt,She mustnt,What should she do to prevent the illnesses?,Ask and answer,Must she keep fingernails long.?,-Yes,she must-No.she neednt./she doesnt have to,keep fingernails long.,What should he do to
6、prevent the illnesses?,He mustnt,Ask and answer,Must he work on the Internet too long?,-Yes,he must-No,he neednt./doesnt have to,on the Internet 在网上,work on the Internet too long.,What does Dr.Li suggest?,listen and check Dr.Lis advice.,1.exercise often 2.keep the air fresh 3.go to bed early 4.wash
7、hands and change clothes often,5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places,exercise often,keep the air fresh,Must we.?Yes,we must.No,we neednt/we dont have to.,practice,Must we,Must we,Must we?,go to bed early,Wash hands and changes clothes often,
8、Must we.?Yes,we must.No,we neednt/we dont have to.,practice,Must we,keep our rooms clean,drink enough water,Must we.?Yes,we must.No,we neednt/we dont have to.,practice,Must we,Must we,take some medicine,keep away from crowded places,Must we.?Yes,we must.No,we neednt/we dont have to.,practice,Must we
9、,Must we,Journalist:May I ask you some questions,Dr.Li?Doctor:sure,_.Journalist:These days many people have the flu.so what should we do to _it?Doctor:Well,first,we should exercise often to_.Second,we should _ our rooms clean and air fresh _.Third,we should wash our our hands and change our clothes
10、often.Finally,we should _ crowded places.Journalist:_we go to a doctor at once when we have the flu.Doctor:Yes,we _.Journalist:We will _ your advice.thank you.,go ahead,prevent,keep,build us up,all the time,keep away from,Must,take,must,Journalist:May I ask you some questions,Dr.Li?Doctor:sure,.Jour
11、nalist:These days many people have the flu.so what should we do to prevent it?Doctor:Well,first,we should exercise often to build us up.Second,we should keep our rooms clean and air fresh all the time.Third,we should wash our our hands and change our clothes often.Finally,we should keep away from cr
12、owded places.Journalist:Must we go to a doctor at once when we have the flu.Doctor:Yes,we must.Journalist:We will take your advice.thank you.,go ahead,take,1.Find the following phrases.继续 使我们增强体质 使空气清新 一直远离人多的地方 接受你的建议,task1,2.We should keep our hands clean and the air fresh all the time.(翻译)_,我们应该一
13、直保持手的干净和空气的清新。,go ahead,keep the air fresh,crowded places,all the time,take your advice,build us up,keep away from,follow your advice,Must we go to see a doctor at once when we have the flu?肯定回答：否定回答：注：此处不能用_ 回答 Eg:Must I finish my homework now?No,you neednt./dont have to.,task2,Yes,we must.,No,we n
14、eednt./No,we dont have to.,mustnt(禁止；不准),mustnt表示说话人不许或禁止（某人做某事），意思是“一定不要”、“不能”，而不是“不必”。,中考链接,()1.May I ask you some questions,Dr.Wang?_A.Youre welcome.B.Sure,go ahead.C.No,Im busy.D.Yes,you must.()2.Do we have to finish our homework this afternoon?Yes,you _.A.must B.can C.may D.Need()3.Must I be in
15、 hospital for a week，Doctor?No,you.You can go back home tomorrow.A.mustnt B.neednt C.must()4.The desk is not dirty.You_clean it.A.mustnt B.shouldnt C.neednt D.cant,B,A,B,C,一,根据汉语提示完成句子。1.You shouldnt _ _ _ _(在网上工作)too long.2.Parents should _ their children _ _(远离)animals.3.Must we keep the window op
16、en _ _ _(一直)4.We should often open the window to _ _ _ _(保持空气清新)5.Frist,we should _ _(增强体质)our bodies to prevent diseases.,work on the Internet,keep,away from,all the time,keep the air,fresh,build up,summary,1.We know how to prevent the flu.2.We can use first,second,third,finally to give advice.3,le
17、arn more about“must”.,Homework,写一篇小短文来说明如何保持健康.(first,second,third,finally)2.背诵1a.,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
18、.B:Im a doctor._A:_,F,G,B,D,C,Exercises,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 exerciseoften.,We must go to seea 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 keepthe air fresh.,We should change our clothes often.,Thank you!,
