仁爱版八年级英语上册Unit2Topic3SectionA课件共21张PPT.ppt

illnesses感冒 发烧咳嗽头痛牙痛背痛胃痛 have a coldhave a feverhave a coughhave a headachehave a toothachehave a backachehave a stomachache流感have the fluDo you know anything about the flu?What are the symptoms（症状）（症状） of the flu？？Lead-inIt is infective and can spread very quickly.呼吸困难肌肉疼痛寒冷颤抖Why does he/she wear a mask？What should we do to prevent the flu?Kangkang’s father, Dr.Li,is talking with a journalist on TV.What are they talking about?Listen to 1a and check Dr. Li’s 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 clean 6.drink enough water 7.take some medicine 8.keep away from crowded places √√√√√Let’s Read1. Read 1a after the tape sentence by sentence.2. Read 1a together. 3. Role-play.读1a 对话，找一找对话中的短语，比一比看谁找得多. talk with sb. on TVgo ahead build sb. Up keep our rooms clean Keep the air fresh all the time wash hands change clothes keep away from crowded places at once take/follow one’s advice Ë prevent v. 防止，预防 prevent sth. prevent sb./sth. (from) doing sth.e.g. 你必须阻止他玩电脑游戏。

You must prevent him from playing computer gamesË Keep away from (doing) sth. =stay away from (doing) sth 远离…….First,……Second,……Third,……Finally,…….例：我们应该多吃蔬菜和水果我们要早睡早起我们应该每天喝足够的水. 我们应该经常锻炼增强体质有序地进行表达使之成为一段连贯的话）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’t. / No, we don’t have to.注：否定回答不能用 mustn’t (禁止；不准)回答 Eg: Must I finish my homework now ? No, you needn’t. / No，you don’t have to.Use the correct phrases in 1b to retell Dr.Li’s advice.exercise￿often;￿keep￿our￿rooms￿clean;￿keep￿the￿air￿fresh;￿wash￿hands￿and￿change￿clothes￿often;￿keep￿away￿from￿crowded￿places.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. 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 Make similar conversations after the example, using the information in 1b.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 don’t have to. / No, we needn’t.1. Must I finish my homework now? (否定回答) ____, ____ ________. 或 ____, _____ _____ ______ ____.2. 翻译: 我可以问你一些问题吗？ 你必须阻止他吸烟。

作为学生我们应该远离烟酒 我们应该怎样预防流感呢？ 我们必须一直学习吗？不，我们不需要 1.We know how to prevent the flu.2.We can use first, second, third, finally togive advice. Summary1.写一篇小短文来说明如何预防流感1.背诵1a。