河南省漯河市第二中学八年级英语上册 Unit 2 Topic 3 Must we rcise to prevent the flu？Section C学案（无答案）（新版）仁爱版.doc

unit 2 topic 3 must we exercise to prevent the flu？section c学习目标：1.学习新单词； habit , fat , happen , happiness, on the other hand , unhappy2.进一步学习情态动词must, mustnt 的用法: - must we exercise to prevent the flu? - yes, we must. / no, we dont have to./no, we neednt.3.学习反身代词的用法。学习过程：一自主学习预习课本p47 1a ,看这些习惯是好的或是坏的，给出你的建议。1. always be happy. 2. eat a lot of potato chips. 3. smoke and drink. 4. drink enough water. 5. play sports. 二合作交流语言点导学：（language points ）1. you need to have health eating habits .你们需要养成健康的饮食习惯。need to do sth 意思是“需要做某事” eg：everyone needs to eat right to keep healthy大家需要合理的饮食保持健康。2. its necessary to learn about first aid.了解急救的知识是必要的。learn (much/ a lot/ little/) about“了解”eg: he likes reading, so he learns a lot about history.他喜欢看书， 所以学到很多关于历史的知识。3. happiness is important for your health.快乐对你们的健康很重要。for相当于to。 happiness 意思是“快乐，愉快”eg：the wonderful movie brings us happiness.这部精彩的电影给我们带来了快乐。4. on the other hand, you may feel ill if you are always unhappy.另一方面，如果你们总是不开心，你们可能会不舒服。on the other hand 意思是“在另一方面” 表示从另一个角度看。eg: on the other hand, the flu may cause a fever. 另一方面，流感可能会引起发烧。5. in order to keep healthy, we should eat right food. 为了保持圣体健康，我们应该吃恰当的食物。in order to do 意思是“为了”eg: he worked hard in order to make more money. 为了挣更多的钱， 他努力工作。三探究展示i. 根据汉语提示，完成句子。1.- good h_ are important to our health in life.- thats right. they can help us keep fit.2.- fast food tastes delicious.- but it usually makes people f_ and unhealthy.3.- how did the accident h_ just now?- the car hit the man when it was crossing the traffic lights.4.- why does helen look u_.- because she missed a trip to beijing .5.- must i call 120 at once when i hurt my back ?- yes, on the other h_ , you mustnt move too much.ii根据语境完成句子1.- the traffic in the city is terrible.- be sure to _ _ (保证安全)when you cross the road.2.-if students learn to smoke, they may have high risk of lung disease.- so they must _ _ (拒绝) to smoking.3.- be careful not to use a lift when the building is on fire.- yes, everyone should _ _ (了解) first aid.4.- dr. li tells us to be happy is to be healthy.- i think so. we had better_ _ _ (养成习惯) in life.5.- i see you play table tennis all the time.- yes. i practice much _ _ _(为了)win in the game next week.四拓展练习i. 根据句意及汉语提示填空1. we should exercise to _ us _ (增强体质). 2. we should do something to prevent it from _ (发生). 3. he isnt in. you can l