1Unit 2 Topic 3 Must we exercise to prevent the flu?Section CStudying Aims:1. / hbt/_( ) 2./ ft/_( ) 3./ hpn/_( )自学指导：一、读 1a，找出下列短语，读一读，背一背。1、开心的_(反义词)_(形容词)开心_(名词)2、healthy eating habits_ 3、足够的能量_4、保证安全_ 5、first aid_6、对你来说做是有必要的_7、另一方面_ 8、远离_9、 做.很酷_ 10、对吸烟说不_当堂检测：一、用方框中所给的词适当形式填空。happy habit they keep healthy1. Michael can take care of _. Dont worry about him.2. Eating too much ice cream without breakfast is a bad eating _.3. The old man looks _ because he lost his pet dog.4. Doing morning exercise can _us healthy.5. Eating fast food will make you _.二. 翻译下列各句。1吃太多糖果会使你发胖和不健康。Eating too much will _ you _ and _.1. 对我们而言，学习急救是有必要的。Its necessary for us _ _ about first aid.22. 开心对健康很重要。Happiness _ _ _ your health.3. 我们应该远离不健康的食物。We should _ _ _ unhealthy food.4. 作为一名学生，你应该对吸烟说不。As a student, you should _ _ _ smoking.三、单选1. We must keep away from _. It can cause diseases.A. drinking B. to drink C. drink2. -Must I take the medicine every day? -No, you _.A. must not B. may not C. dont have to 3. It is necessary _ children _ eight hours sleep every day.A. for; have B. to; to have C. for; to have4. We should say no to _and _.A. Smoke; drink B. smokes; drinks C. smoking; drinking