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1、Section A,Unit 2 Keeping Healthy,Topic 3 Must we exercise to prevent the flu?,台前县复兴学校刘彦红,Wash your hands, have a bath. Open the window, take a fresh breath. Early to bed, early to rise. Having good habits, Makes a man healthy, Wealthy and wise.,Lets Chant,Learning aims,1.学习并掌握新单词、词组：question, preven
2、t, finally, go ahead, build sb up, all the time 2.学会并运用情态动词must征询意见 -Must we exercise often? -Yes, we must./No, we neednt./ No, we dont have to. 3. 能够用should/ must/had better给出建议We should keep away from crowded places. 4.逐步提高通过听，获取具体信息的能力,illnesses,感冒,发烧,咳嗽,头痛,牙痛,背痛,患流感,have a cold,have a fever,have
3、 a cough,have a headache,have a toothache,have a backache,have the flu,胃痛,have a stomachache,What should we do to prevent the illnesses?,Ask and answer,prevent 阻止，预防,1.prevent sth 阻止/预防某事 2.prevent sb. from doing sth 阻止某人做某事,你必须阻止他玩电脑游戏。 You must _him _computer games.,prevent,from playing,What shoul
4、d we do to prevent the illnesses?,We had better _ _.,Ask and answer,eat more vegetables,and fruit.,We should _often.,Ask and answer,open the window,We mustnt _.,What should we do to prevent the illnesses?,Ask and answer,keep fingernails long.,What should we do to prevent the illnesses?,We should do
5、exercise to build us up.,Ask and answer,增强的体质；使增强体质,他说游泳可以使他增强体质。 He says swimming can _.,build him up,What should we do to prevent the flu?,Listen to 1a and check Dr. Lis advice.,录音1a-P43,1.exercise often 2.keep the air fresh 3.go to bed early 4.wash hands and change clothes often,5.keep our rooms
6、clean 6.drink enough water 7.take some medicine 8.keep away from crowded places,Watch the flash and write down Dr. Lis advice.,视频1a-P43,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
7、time.,We should wash our hands and change our clothes often.,We should keep away from crowded places.,录音1a-P43,(Kangkangs father, Dr. Li, is talking with a journalist on TV.) J: May I ask you some_, Dr. Li? D:Sure, _. J: These days many people _.So_? D:Well, _, we should exercise often to _us_. _, w
8、e should _our rooms clean and the air fresh_. _, we should wash our hands and change our clothes often. _, we should _ crowded places. J: _we go to see a doctor at once when we have the flu? D:_. J: Well _ your advice. Thank you.,what should we do to prevent it?,first,build,up,Second,keep,Third,all
9、the time,Finally,keep away from,Must,Yes, we must.,take,questions,go ahead,have the flu,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 ?Yes, we must. No, you
10、 neednt. /No，you dont have to.,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,Ask and answer as soon as possible.,1.exercise often 2.keep the air fresh 3.go to bed early 4.wash
11、hands and change clothes often,5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places,学以致用,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,Time is up! 时间到了！,2. A. Listen to the passage and circle the symptoms(症状) that you hear.,fever cough,headache back
12、ache,toothache stomachache,sore throat sore eyes,录音2-A-P44,B. Listen again and check the advice you hear.,Should,drink lots of boiled watertake some cold pillslie down and take a good restbrush your teeth twice a day,Shouldnt,work on the Internet too longgo to crowded placesplay sports too mucheat h
13、ot food,录音2-B-P44,Please have a try!,Exercises,Easy 1 分,Medium 2 分,Challenging 3分,Summery,单项选择,1. May I use your pen, Lily?Sure, _.A. come on B. go away C. go ahead D. come here,返回,单项选择,2.Mr. Lee goes swimming twice a week. He says it can_.A. cheer on him B. cheer him onC. build him up D. build up h
14、im,返回,单项选择,3.Dont worry. Take exercise often, and youll get well soon.Thank you. Ill_ your advice.A. take B. makeC. give D. hear,返回,单项选择,4. Must I finish my homework today?No, you_.A. mustnt B. needntC. dont have to D. B or C,返回,单项选择,5.What should we do_the flu?Do more exercise and have ahealthy eating habit.A. to prevent B. preventingC. prevent D. prevents,返回,根据句意及首字母提示完成句子。,1. Can I ask you a few q_?Certainly.2. We should often open the window and keep the air f_.,
