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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.
Ⅱ. Teaching aids : PPT
Ⅲ. 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/shouldn’t we do? S: We should/shouldn’t...
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. What’s 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：
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 Kangkang’s father is a doctor. We can help him.
引入1a.
让学生听1a，完成1b.
T: Listen to 1a and check Dr. Li’s advice. Finish 1b.