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Unit2 Topic3授课日期及时段Unit 2 topic 3 Section A教学目标 1学习情态动词must 和have to 表示劝告和需要的用法 2谈论如何预防流感。重点难点1、 预习Unit 2 Topic 3 Section，并对语言点、难点做出标记；2、 学习学案，并完成学案上的练习题。教学内容三、 自主预习 Preparation.英汉互译下列单词并标上词性。 1.crowded _( ) 2. 在之间 _( ) 3. 最后，终于_( ) 4. 传播 _( ) 5. 预防 _( ) 6.问题; 询问 _( ) 7. 赶快 _( ) 8. journalist _( ). 在课本中找出下列短语划在书上并翻译1.快点 _ 2. 勤换衣服 _3. 继续, 说吧_ 4. 吃健康的饮食_5. 躺下_ 6. 远离_7. 采纳某人的建议 _ 8. 预防流感_9. 勤洗手_ 10. 一直, 总是 _. 翻译并熟记下列句子.1.-我能问你几个问题吗, 李医生? _-当然可以, 问吧. _2. 我们应该怎样预防流感呢? _3. 我们应该经常锻炼身体以增强体质. _4. 第二, 我们应该保持房间一直整洁和通风. _5. 最后我们最好不要去人多的地方. _6. 我们必须锻炼身体来预防流感吗? _-是的, 必须./ 不, 我们不必要. _7. 我们将采纳你的建议_. 知识链接 1 hurry up 赶快，快点。【课文原句】_.译文_【导学点拨】hurry up 赶快，快点。口语中常用于命令句。但不用于否定句。 如： _ _ , Jack., or youll be late.（杰克，快点，否则你会迟到）Hurry 的相关用法及短语：hurryhurries; -hurried; -hurryinghurry to a place 匆匆的赶去某地 如：He _ _ school this morning. 今天早上他急匆匆的去了学校。He _ home after school. 放学后他急忙赶回家了。 In a hurry 急匆匆地（的），匆忙的（地），如：今天早上他急匆匆的去了学校。He went to school _ _ _ this morning. You are always _ _ _. 你总是匆匆忙忙的。Hurry to do sth. 匆忙地做某事，赶紧做某事。如:The kid _ _ open the gifts. 孩子赶紧打开了礼物。2. talk with(to) sb. 和某人谈话【课文原句】_ 译文_【导学点拨】talk with/to sb. 和某人谈话； talk about sth. 谈论、讨论某事； talk with /to sb. about sth._He refused to _ _ me.他拒绝跟我谈。Who _ you _ _ _ the basketball team? 你在跟谁谈关于篮球队的情况？We _ _ the problem for hours.我们谈那个问题谈了好几个小时。What _ you _ _?你们在谈什么？3. spread among 在 中传播【课文原句】_译文_【导学点拨】 (1)spreadspread(过去式) 传播，延伸，展开。如：Water began to spread across the floor. 水开始漫过地板。The fire _ quickly through the forest. 火灾迅速地在整个林区蔓延。The city _ to the west. 这座城市向西扩展。(2) among & between用法区别：among意为 “在当中”，常指三者或三者以上的人或物之间或当中。between a.一般指两者之间，常用短语between.and .; b.指三者或三者以上的人或物中的“每两者之间”时，仍用between; c.谈论事物之间的区别时，一般用between. 请选择填空： I live _ the mountains.我住在群山之中。The bank is _ the hospital _ the supermarket. 银行位于医院和超市中间。She takes some medicine _ three meals every day.她每天在两餐之间服药。There are some differences _ the two cities.这两座城市之间又很大的区别。Miss Lu sits _the students.鲁老师坐在学生们当中。4. when时间状语从句和主句的时态；see a doctor 【课文原句】_译文_【导学点拨】when引导的时间状语从句，如果主句表示的是将来的动作，则从句用一般现在时。简称 “主将从现”。如：Ill go swimming in the river with Jack when he _ back.When you _(spend) much time on TV, you may have less time left to do exercise.Please let me know when you _(pass) the exam.5. must 表示必须的用法及其简略回答; prevent the flu【课文原句】_ 翻译 _a. prevent sth. 阻止某物（事），预防We must try our best _. 我们必须尽力预防H1N1 流感。If necessary, add a little water to prevent _(stick) 有必要的话，加点水以防太黏。prevent sth (from) happening. 防止某物发生Please reduce the private cars to prevent the air from _(pollute).prevent sb. (from) doing 阻止某人做某事She was sure the noise would _ _ _at night.b.【小试牛刀】must 的意义有哪几点？请你和你的组员们一起讨论并总结一下。_四、课堂导学与风采展示1. 重点回顾 根据自主预习的内容，组内核对并相互提问重点短语，句子以及用法2. 风采展示1). 分角色朗读1a, 完成1b。2). 分组讨论。 请大家提出更多预防流感的方法。然后小组竞赛，看哪组说的又多又好。3). 请大家仔细看2 的图片，将建议写在图片下方的横线上。用should, had better and must.4). 听3 的录音，并核对A答案; 再听一遍，完成B，并核对答案。五、 目标检测 Practice 、根据句意及首字母提示补全单词1. Doctor Lee is talking with a j_ on TV.2. The news s_ through the school very quickly.3.The doctor is doing his best to save the p_.4. We must protect w_ animals.5. To fight SARS, we should not go to c_ places.6. Look! My son is a basketball player, too. He is standing a_ the players. 7. When we keep a_ from parents,we should look after ourselves.8. This is a difficult q_. I dont know its answer.II、用所给单词的适当形式填空1. Xinxiang _(spread) to the southeast now.2. We should do our best _ (fight) all kinds of diseases.3. We must eat _ food and do exercise to keep our _.(health)4.do ones best, talk with, spread easily, do more exercise,crowded places, be afraid of Kangkangs father is a doctor. A journalist is _ him on TV. He says,“SARS_ among people. But we dont have to _caching SARS. We must eat healthy food and _.We must not go to_. We should _ to fight SARS.”III、单选( )1.- May I ask you _ questions? Sure. Go on.A.some B. any C. much D. few.( )2. Must we clean the classroom at once? -No, you _. You may do it after school. A. mustnt B. dont C. neednt D. dont have.( )3.May I take the book out of the library, Miss Li? -_. A. You may not B. No, you mustnt C. Im afraid not D. No, you cant. ( )4. You _ wash your hands before meals. It is good for your health. A. may B.can C. must D. need( )5. The doctor _ SARS. A. is talking with B. is talking about C. is talking to D. is talking of( )6. Today is Sunday. He _ get up early, because he doesnt go to school. A. doesnt have to B. didnt have to C. wont have to D. have to( )7. The teacher is sitting _ the four students. A. between B. beteen and C. among D. among and ( )8. parents should keep their children away _ the dangerous places. A. on B. from C. off D.in( )9. The students should _ after school. A. do some cleaning B. do any cleaning C. be cleaning D. cleaned( )10. She needs to have someone looking after her _. A. all the same B. all the time C. all times D. all the timesIV、句型转换1. Mr. Smith hurried to the office yesterday morning.(同义句转换) Mr. Smith went to the office _ _ _ yesterday morning.2. We should wash hands often to fight SARS.(对划线部分提问) _ _ we _ to fight SARS?3.-Must we finish the work right now?(根据句意完成答语) -No, you _. But you _ finish it before dark.4. She has to stay at home to look after her sick mother. (改为否定句) She _ _ _ stay at home to look after her sick mother.5. They had to work for the boss day and night. (变为一般疑问句并作否定简答) - _ they _ _ work for the boss day and night? -_.SectionA 基础知识检测一.根据句意及首字母提示补全单词。1. To keep the children safe，all the workers are trying their best to b the bridge.2. The students study harder and harder. F , their dreams came true.3. Many young students like working on the I for a long time. Its bad for their eyes.4. Excuse me, where is Miss Hu, Liu Ming? I have some q to ask her.She is in the office.5. We should do our best to p all kinds of diseases.二. 单项选择。( ) 1. May I use your bike, Jim? Sure, .A. go ahead B. you can ask BillC. you cant D. thats all right( ) 2. Must I take part in the activity?No, you . Youre too young.A. mustnt B. dontC. dont have to D. dont need( ) 3. Youd better wash your hands before meals you healthy.A. keep B. keptC. keeping D. to keep( ) 4. How should we fight the flu?We should do more and change clothes often.A. exercises B. exerciseC. practice D. homework( ) 5. The meeting is starting. Im afraid we leave now. OK. Lets go.A. must B. have to C. can D. may参考答案：一. 1 build 2. Finally 3. Internet 4. questions 5. prevent二. 1. A2. C由must引起的一般疑问句，其否定回答用neednt或dont have to。3. D考查动词不定式作目的状语。4. B exercise作“运动”解时，是不可数名词。5. B must和have to的区别是must表示主观原因，而have to表示客观原因。根据句意，应选B。
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