U2T3SA.doc

Unit 2 Keeping HealthyTopic 3 Must we do exercise to prevent the flu?Section AThe main activities are 1a and 1c. 本课重点活动是1a和1c。. Teaching aims and demands 教学目标1. Learn some new words and phrases:hurry, hurry up, question, go ahead, spread, among, prevent, all the time, keep away (from) 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 fight 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 教具图片/录音机/磁带/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:8分钟)师生讨论如何保持健康，引出如何预防流感，导入新课。 通过图片复习must/mustnt用法。T:What should we do to keep healthy?S:We must keep our rooms clean and the air fresh. （幻灯片2）S:We must exercise often to build up our body. （幻灯片3）S:We mustnt keep fingernails long. （幻灯片4） 由图片导出本课重要句型，让学生根据例句造相似的句子。（幻灯片5）Pairwork:Make similar conversations after the example. Example:A: Must we do exercise to prevent the flu?B: Yes, we must. / No, we dont have to. / No, we neednt. 根据图片用“must、had better、should”造句。（幻灯片6、7、8）2.Work alone:Look at the pictures. And then write down some advice on how to prevent the flu, using should, had better and must.1.we must do exercise to prevent the flu.2.we must go to see a doctor.3.we mustnt go to crowded places.4.we must eat healthy food.5.we had better keep the windows open.6.we should change our clothes often.为防止流感，我们应该做什么？用“must、had better、should”造句。（幻灯片9、10、11）(先师生问答，然后由学生两人一组练习。)T: Now, I ask, you answer, then practice in pairs.Example:T:Must we finish homework on time?S1:Yes, we must.T:Must we finish it now?S2:No, we dont have to.S3:No, we neednt.1. (师生就健康话题进行讨论。注意应用情态动词should, shouldnt, must, mustnt，导入本课的目标语言dont have to, neednt。)T:Boys and girls, we know keeping the school and classrooms clean is good for our health. Then do you know how to keep healthy? Youd better say it with should/shouldnt, must/ mustnt, had better (not).S1: We should have healthy eating habits.S2: We mustnt throw litter around.S3: We mustnt drink sour milk.T:Must we go to see a doctor when we have a headache?S4:Yes, we must.(帮助学生用否定形式回答。)T:No, we dont have to. / we neednt. We can have a good rest.(板书并讲解。)Must we go to ?Yes, we must./No, we dont have to. / we neednt.(先师生问答，然后由学生两人一组练习。)T: Now, I ask, you answer, then practice in pairs.Example:T:Must we finish homework on time?S1:Yes, we must.T:Must we finish it now?S2:No, we dont have to.S3:No, we neednt.(看图片，学生做练习巩固)S5:We shouldnt exercise on an empty stomach.S6:We should have enough sleep.S7:We should brush teeth twice a day.S8:We shouldnt read in the sun.T:What else should we do to keep healthy? Please make some sentences with had better.S9:Youd better go to bed before nine oclock in the evening.S10:We had better not play sports right after meals. 2. (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: Good habits can help us to keep healthy and bad ones can cause diseases. There is a serious disease called flu. It spreads easily among people in spring and autumn. (板书，并要求学生掌握。)spread, among T: The flu is a serious disease, but we dont have to be afraid of it. We can do something to prevent it. But how to prevent it? If you want to answer this question, please follow me. (板书，让学生猜词义，并要求掌握。)prevent, questionStep 2 Presentation 第二步 呈现(时间:13分钟)利用图片进行师生对话，呈现1a内容，学习文中部分生词，为听力扫清障碍。听录音回答问题，然后读对话找关键词，培养学生从听和阅读中提取重要信息的能力。1. (假设近几天发生流感，教师用图片给以提示，让学生尽量用英语谈论怎样来预防流感，学生不会说的单词，教师给予帮助、引导，以此来学习1a中的部分生词。) T:Suppose the flu spreads quickly among people these days. What should we do to prevent it? (教师出示开窗通风的图片。) Ss:We should keep the air fresh. T:Yes, we should keep the air fresh all the time. (板书并让学生掌握。)all the time T:If the flu spreads, is it right to go to crowded places? Ss:No, we had better not go to crowded places.(引导学生回答。) T:Yes, we should keep away from crowded places. (板书并要求掌握短语，理解生词。)crowded, keep away(from)2. (用1a中的图片引出1a听力。) T:Look at the picture in 1a. Kangkang is watching TV. On TV, a journalist is interviewing his father. What are they talking about? Lets listen to 1a. (板书，并让学生理解。)journalist (出示小黑板上的问题，让学生带着问题听1a录音，回答问题。核对答案。)T: Now, listen to the tape and find out the answers to these questions.(1)What are they talking about?(2)How much advice does Dr. Li give in the dialog?3. (认真阅读1a，找出关键词及生词。)T: Please read the dialog carefully and then find out the key words and new words.(核对答案。板书关键词及生词。解释并要求学生掌握hurry, hurry up, go ahead；理解finally。)hurry upon TVa journalistask some questionsgo aheadthe fluspreadamongFirst, exerciseSecond, keep clean and freshall the timeThird, wash and change Finally, crowded placesStep 3 Consolidation 第三步 巩固(时间:7分钟)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。然后完成1b，并以问答形式巩固。) T: Listen to 1a again and repeat. Pay attention to the pronunciation and intonation. Then finish 1b. Ask and answer in pairs to check Dr. Lis advice.Example:S1: What should we do to prevent the flu?S2: We should do exercise often. We shouldnt go to crowded places 2. (学生自读1a后，四人一组练习对话。然后脱离课本，根据黑板上的关键词，表演出来。)T: Read 1a by yourselves, then practice it in groups of four. You can look at your books at first. Then act out the dialog according to the key words on the blackboard.Step 4 Practice 第四步 练习(时间:10分钟)完成1c和2。通过编对话，使学生进一步掌握本课的目标语言。1. (完成1c，重点训练dont have to/ neednt的用法。练习本课目标语言。)T: Lets do 1c using the information in 1b. First read the dialog, and pay attention to the target language dont have to/neednt. T: Look at the pictures in 2, and discuss what we should do to prevent the flu. (讨论几分钟后，要求学生完成2里面的练习。提示学生注意should, had better, must的用法。) T: Follow the examples to make dialogs using the sentence patterns:“We should/We had better /We must ” Example: Dialog 1 A: What should we do to prevent the flu? B: We should do more exercise. Dialog 2 A: What should we do to prevent the flu? B: We should go to see a doctor. Dialog 3 A: What should we do to prevent the flu? B: We must keep away from crowded places.(教师可帮助学生回答。) (学生小组练习之后，核对答案。教师可以请几组同学到讲台前为大家表演。) Step 5 知识拓展 The first wealth is health. 健康是人生第一财富。 Health is better than wealth. 健康胜过财富。 An apple a day, keep the doctor away. 一天一个苹果，疾病远离我。 Walking is mans best medicine. 行走是人的最佳良药。 Good health is a corollary of having good habits. 健康的身体是良好生活习惯的结果。Step 5 Project 第五步 综合探