Unit 2 Keeping Healthy-Topic 3 Must we exercise to prevent the flu -Section A-ppt课件-(含教案)-市级公开课-仁爱科普版八年级上册(编号：60079).zip

illnesses 感冒感冒 发烧发烧 咳嗽咳嗽 头痛头痛 牙痛牙痛 背痛背痛 胃痛胃痛 have a cold have a fever have a cough have a headache have a toothache have a backache have a stomachache 流感流感 have the flu If we have a fever/cough/headache/sore throat. What should/shouldnt we do? Should drink lots of boiled water take some cold pills lie down and take a good rest brush your teeth twice a day Shouldnt work on the Internet too long go to crowded places play sports too much eat hot food 3. 3. LookLook atat thethe picturespictures andand writewrite downdown thethe adviceadvice onon howhow toto keepkeep healthy,healthy, usingusing should,should, hadhad betterbetter oror mustmust. . 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. Flu 流行性感冒（简称流感）是流感病毒引起的急性呼吸 道感染，也是一种传染性强、传播速度快的疾病。其 主要通过空气中的飞沫、人与人之间的接触或与被污 染物品的接触传播。典型的临床症状是：急起高热、 全身疼痛、显著乏力和轻度呼吸道症状。一般秋冬季 节是其高发期，所引起的并发症和死亡现象非常严重 。本病具有自限性，但在婴幼儿、老年人和存在心肺 基础疾病的患者容易并发肺炎等严重并发症而导致死 亡。 所以根据中华人民共和国传染病防治法第四章第 三十九条的相关规定：（一）对病人、病原携带者， 予以隔离治疗，隔离期限根据医学检查结果确定；（ 二）对疑似病人，确诊前在指定场所单独隔离治疗。 医疗机构发现乙类或者丙类传染病病人，应当根据病 情采取必要的治疗和控制传播措施。 Flu is a serious illness, what should we do to prevent it？ Listen to 1a and check Dr. Lis advice. 录音录音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 Watch the flash 1a and follow it. (Kangkangs father, Dr. Li, is talking with a journalist on TV.) Journalist: May I ask you some questions, Dr. Li? Dr. Li: Sure, go ahead. Journalist:These days many people have the flu. So what should we do to prevent it? Dr. Li: Well, first, we should exercise often to build us up. Second, we should 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 crowded places. Journalist: 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. 视频视频1a-P43 1.prevent/stop/keep sb./sth. (from) doing sth. 阻止某人或某物做某事阻止某人或某物做某事 eg:My parents often prevent/stop/keep me (from) playing computer games. 2.build sb./yourself up 增强某人的体质增强某人的体质 eg: You need do more exercise to build yourself up. 3.all the time 一直，始终一直，始终 eg:He is crying all the time. 4.keep away from stay away from eg: We should keep/stay away from smoking. +n./pron./v-ing 远离远离. Must we go to see a doctor at once when we have the flu ? 肯定回答：肯定回答： Yes, we must. 否定回答：否定回答： No, we neednt. / No, we dont have to. 注：此处不能用注：此处不能用 mustnt (禁止；不准禁止；不准)回答回答 Eg: Must I finish my homework now ? No, you neednt. / No，you dont have to. Pair work 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. What should we do to prevent the flu? 单项选择： ( )1、-Must I stay here all the time? -No, you _ . A. mustnt B. dont C. shouldnt D. neednt ( )2、We should keep away _ the fire because it is dangerous for us. A. to B. from C. with D. for ( )3、Youd better do more exercise to _ . A. build yourself B. build up you C. build up yourself D. build yourself up ( )4、-May I watch TV now? -Of course. _ A. Go over B. Go ahead. C. Hurry up. D. You neednt. ( )5、My mothern often _ her good friends on the phone. A. talks about B. talks of C.talks with D. talk into ( )6、May I ask you _ questions about the flu? A. any B. some C. a D.an D B D B C B 1.We know how to prevent the flu. 2.We can use must/had better/ should to give advice. 写一篇小短文来说明如写一篇小短文来说明如 何预防流感。何预防流感。 What should we do to prevent the illnesses? WeWe shouldshould dodo exerciseexercise toto buildbuild usus up.up. 预防预防 使身体强壮使身体强壮 What should we do to prevent the illnesses? WeWe hadhad betterbetter eateat moremore fruitfruit andand vegetables.vegetables. What should we do to prevent the illnesses? WeWe shouldntshouldnt spitspit everywhere.everywhere. What should we do to prevent the illnesses? WeWe mustmust keepkeep ourour roomsrooms cleanclean andand thethe airair fresh.fresh. WeWe mustntmustnt keepkeep fingernailsfingernails long.long. What should we do to prevent the illnesses? MakeMake similarsimilar conversationsconversations afterafter thethe example.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. 2. A. Listen to the passage and circle the symptoms that you hear. feverfever coughcough headacheheadache backachebackache toothachetoothache stomachachstomachach e e soresore throatthroat soresore eyeseyes 录音录音2-A-P44 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. 选择选择方框中的句子完成方框中的句子完成对话对话，其中有两，其中有两项项多余。多余。 A:A: YouYou looklook pale,pale, Dr.Dr. Li.Li. _ B:B: I I onlyonly feelfeel a a littlelittle tired.tired. A:A: It It lookslooks moremore seriousserious thanthan beingbeing tired.tired. _ B:B: No,No, thanks.thanks. NothingNothing serious,serious, I I think.think. A:A: _ ButBut youyou havehave workedworked forfor thirty-sixthirty-six hourshours withoutwithout havinghaving a a rest.rest. B:B: ImIm a a doctor.doctor. _ A:A: _ A. I have to save the patients. B. I know SARS is spreading. C. So you should care for yourself first. D. And its my duty to save the patients. E. You must be tired. F. Whats the matter with you? G. May I take you to the office? F G B D C Topic 3 Must we do exercise to prevent the flu? Section A The main activities are 1a and 1c. . Teaching aims and demands 1. Learn some new words and phrases: journalist, question, go ahead, prevent, build sb. up, all the time, finally,crowded,sore,throat,Internet. 2. Go on learning the modal verbs should and must: (1)What should we do to prevent it? (2)We should keep our rooms clean? (3)Must we do exercise to prevent the flu? Yes, we must./No, we dont have to./No, we neednt. 3. Asking for and giving advice. 4. Talk about how to prevent the flu: (1)We should exercise often to build us up. (2)We should wash our hands and change our clothes often. (3)We had better not go to crowded places. . Teaching aids : PPT . Teaching Plan Step 1 Review 师生讨论如何保持健康，引出如何预防流感，导入新课。 1. 复习 some illnesses，讨论生病后应该或不应该做什么。完成 2。 T: Last lesson we learnt some illnesses,do you know? S: Have a/the . T:If we have a/the . What should/shouldnt we do? S: We should/shouldnt. 2. 师生就健康话题进行讨论。注意应用情态动词 should, had better or must。完成 3。 T: We know keeping healthy is very important. Then do you know how to keep healthy? S: We should/had better/must. Step 2 Presentation 1. 通过谈论如何保持健康，引出如何预防流感这个话题，可适当用汉语解释，导入新课。 T: Today I have a bad cold with a high temperature. Whats wrong with me?Do you know? S: You may have the flu. T: Do you know the flu? 展示有关流感的介绍。并引入相关的法律。 中华人民共和国传染病防治法第四章第三十九条的相关规定： （1）对病人、病原携带者，予以隔离治疗，隔离期限根据医学检查结果确定； （二）对疑似病人，确诊前在指定场所单独隔离治疗。医疗机构发现乙类或者丙类传染 病病人，应当根据病情采取必要的治疗和控制传播措施。 2. 通过如果我们得了流感，我们可以向谁求助等问题来引入 1。 T: If we have the flu.Who can we ask for help? S: Doctors. T: Yes,we can ask doctors for help. We know Kangkangs father is a doctor. We can help him. 引入 1a. 3. 让学生听 1a，完成 1b. T: Listen to 1a and check Dr. Lis advice. Finish 1b. Check the homework. Step 3 Consolidation 完成 1a 和 1b，使学生熟悉目标语言。 1. 再放 1a 录音，并让学生跟读，注意模仿语音语调。呈现 1a 内容，学习文中部分生词及 短语，并进行讲解。 T: Listen to 1a again and repeat. Pay attention to the pronunciation and intonation. Then find out the key words ,key phrases and new words. 2. Pair work.完成 1c. T: According to Dr. Lis advice, what should we do to prevent the flu? You can use First,Second,Third,Finally. Step 4 Practice 完成 Some exercises,使学生进一步掌握本课的目标。 Step 5 Summary 1.We know how to prevent the flu. 2.We can use must/had better/should to give advice. Step 6 Homework: 写一篇小短文来说明如何预防流感。 板书设计：板书设计： Must we do exercise to prevent the flu? Section A prevent/stop/keep sb./sth. (from) doing sth.What should we do to prevent the flu? build sb./yourself up First,_ all the time Second,_ keep/stay away (from) Third,_ Must we go to see a doctor at once Finally,_ when we have the flu ? Yes, we must. No, we dont have to./No, we neednt.