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1、Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu? Section A 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 high fever (38C) dry cough What are the symptoms of the flu? breathin
2、g difficulties muscle aches chills and shivering Flu is a serious illness, and it spreads quickly among people. So what should we do to prevent it？ Kangkangs father, Dr. Li, is talking with a journalist on TV. 1a Listen, look and say. Journalist: May I ask you some questions, Dr. Li? Dr. Li: Sure, g
3、o ahead. Journalist: These days many people have the flu. So what should we do to prevent it? Dr. Li: Well, first, we should exercise keep our rooms clean and the air fresh all the time. Third, we should wash our hands and change our clothes often. Finally, we should keep away from crowed places. Jo
4、urnalist: Must we go to see a doctor at once when we have the flu? Dr. Li: Yes, we must. Journalist: Well take your advice. Thank you. 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 e
5、nough water 7.take some medicine 8.keep away from crowded places Listen again 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
6、often. we should keep away from crowded places. 1. May I ask you some questions? “ May I .”表示请求的句型。在此句型中，“ 一些” 通常用some，而不用any. 2. Sure, go head.当然可以，请问吧！ go head,表示同意对方的请求。根据情况可翻 译为“说吧，做吧，进行吧，干吧，请吧”等 。 Can I read the sports section? 我可以看看体育版吗？ Yeah, go head。请看吧！ 3.What should we do to prevent it? pr
7、event 是动词，意为“阻止，阻挠” prevent . from doing sth. “阻止,阻挠.做某事” =stop/keep from doing sth. Nothing can prevent us from going. 没有任何事情可以阻止我们前往。 4.keep away from.= stay away from “远离” Be careful. Keep/Stay away from the fire. 小心，远离火源 5. take ones advice= follow ones advice 接受某人的建议 Must we go to see a doctor
8、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 e.g. Must he come here ? No, he neednt. / No，he doesnt have to. 肯定musthave to need 否定mustntdont /doesnt have to neednt 1d 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. 1.We know how to prevent the flu. 2.We learn the use of must. 1.背诵1a。 2. 仿照1d改写句子。
