lesson21.doc

【学法指导】请同学们认真阅读课文，完成预习案中的的任务【学法指导】请同学们合上课本通过训练案检测自己对文章的理解。初一英语(下)Unit 4 lesson21教学案 【teaching aims】1.Master the important new words: which, circle, add, score, relax, free, mind, active, must, without, bored, example, type, following, quietly2.Language points: mind, enough, must和have to, relax, bored.3. Practice our reading skills by reading the text. 【学法指导】请同学们阅读课文并且组内讨论完成探究案中的任务。【learning by students】I. Play games about new words.II. Match the phrases with the correct meanings.1. add upA. 旅游；游玩2. in ones free timeB. 弹奏乐器3. play an instrumentC. 例如4. go on a tripD. 把加起来5. for exampleE. 在路上6. on the wayF. 在某人的闲暇时间III. Task I:Class work: lets do it! No.1IV. Task II :Quiz(小测试)Read the lesson21, complete the quiz, add up the scores and Lets do it! No.2Q1. Do you get enough exercise?Q2. Whats your favorite school subject?Q3.What do you do on a cold and snowy day?Q4. You are going on a trip. But you can only take one thing with you. What do you take? Answer: My club type is_ . I like_.【讨论探究】1.mind, 词性是_, 意思为_. 4. relax relaxed relaxing Music can help me relax.I feel relaxed after the final exam.This is a relaxing film.bored boring Hes bored and wants someone to chat with.With nothing to do, he feels a little bored.The film is so boring and all of us feel bored.类似用法的词有：_ .【练习】I.I. 单项选择 1. The film is _. So I want to leave. A. bore B. bored C. boring D. bores 2. - Must I turn down the radio now? - No, you _. A. mustn t B. can t C. needn t D. may not 3. Light music makes us _. A. relax B. relaxing C. relaxed D. relaxes 4. - May I play computer games, Mum? - No, you _ finish your homework first. A. will B. can C. would D. must 5. The boy isnt old enough _ to school. A. go B. to go C. going D. goesII 根据所给汉语完成下列各句. 1.你绝对不能在课堂上听音乐。 You _ _ to music in class. 2. 没有音乐我一天都活不下去。 I cant live a day _ _ . 3. 我们需要足够的锻炼。 We need _ _. 4. 我们必须做一些积极的事情. He has a creative mind.I hope you wont change your mind. Mind the step! Would you mind opening the window? 短语：change ones mind, “改变某人的注意”keepin mind, “牢记”make up ones mind,“下决心”2. enough，词性是_, 意思为_ . I dont have enough money to buy the car. He is old enough to take care of himself.He runs quickly enough.3.must和have toYou must listen to your parents. Must I clean the room now? No, you neednt. You may do it after dinner. You mustnt listen to music in class. He had to give up the plan. Her mother is ill, she has to look after her. He had to give up the plan.must 表示_的“必须”，主要用于_句和_句。have to 侧重_的“必须，不得不”。其否定形式为dont have to，相当于 neednt。have to随人称和时态的变化而变化。We _ _ something active. 5. 我通常做一些数学测验以锻炼我的大脑. I usually do some math quizzes to exercise my _ .【课堂评价】Task IV1. Lets do it! No.3. Present the results in class.2. Work in groups. Whats your club type? Interview your classmates and fill in the form.【课堂小结】 Choose a club type and make an advertisement(广告) for it. Example： Art Club Do you like to draw or paint? Join the Art Club! Drawing and painting is fun for everyone. Join us after school and have a great time!【作业布置】HomeworkMore Club Types: Research another club type that is not mentioned in the book and answer the following questions: . What is the club? . What do people like to do in this cl