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1、19A Unit 3 Teenage problemsMain Task 教学案Class:_ Name:_【教学目标】1. 1. To answer a quiz about causes of stress .2. To make a writing plan for a letter.3. To write a letter about stress problems.4. To develop the ability of writing and the ability of dealing with problems.5. To be a happy , lively teenage
2、r after learning this lesson.【教学重点、难点】1. 1.To make a writing plan for a letter and write a letter about stress problems.2.The ability of dealing with problems.【课前准备】3) Conclusion 【教学过程】I 1 朗读 57 页 A 部分每一个问题以及解决问题的备选答案，选出自己认为的最佳答案。 2 分别说出自己的最佳答案和理由。 3 讨论解决以下问题的方法： 1） What should you do if you are oft
3、en sick? 2) What should you do if you feel tired? 3) What should you do if you get low marks for schoolwork? II 1 我们应该把缓解压力的方法写信告诉我们的朋友和同学，但在写信之前应该先写提纲。 2 请同学们帮助 Millie 完成 B 部分练习。 3 请同学们朗读 C 部分 Millie 的信，并根据新的内容填充。 课堂互动探究：写作训练 A） 请在同学中调查一下，你们共同 的烦恼是什么？写出你的调查结果中排名前 5 条的烦恼。 B） 针对大家的共同烦恼，你有什么好办法或建议能消除这
4、些烦恼吗? 请你写一篇短文告诉大家，好吗？ 【要点点击】1. One main cause of stress is homework.压力的一个主要原因是作业。cause 作“原因，起因”解释时，是可数名词，the cause of- 火灾是怎么引起的？ What was _ _ _ _ the fire ? 路上的结冰是造成那次事故的原因。Ice on the road was _ _ _ _ _ . cause 作“理由，缘故”解释时， 是不可数名词，与 reason 同义，你没有理由责备你的父母。 You have _ _ _ _ your parents. cause 作及物动词时，
5、意为“使产生、引起” 。 后面通常接名词作宾语，也可以接动词不定式。如： 天气寒冷冻死了植物。The cold weather _ the plants _ _. 他因病不能参加比赛。His illness _ him _ _ the game. 2reason 意为“理由” 、 “原因” ，指导决定做某一件事或采取某一行动的理由，由此而得出结论或解释；它着重指符合逻辑的解释和推理，the reason for你能告诉我你迟到的原因吗？Can you tell me _ _ _ your being late? 我们迟到的原因是车没来。The reason _ _ _ _ is that ou
6、r car did not come. excuse 意为 “辩解” “借口 ”，指为某一行为所作的解释，可以是真的，也可以是托词，着重指为免受指责和失掉责任而寻找的理由。如： I wont listen to your any excuse.我不想听你的任何借口 Too much work is no excuse for not studying.工作太忙不能成为不学习的理由。2. One way to solve the problem is to talk with your teachers,解决这个问题的一个办法是和你的老师交谈。第一个动词不定式短语 to solve the pr
7、oblem 作名词 way 的后置定语，第二个动词不定式短语 to talk with your teachers 在系动词 is 后作表语。【达标检测】根据句意和首字母提示填空【教后感】【课后作业】（一）选择填空( )1. I dont know if it _tomorrow. If it _, well go and make snowmen.A. will snow; will snow B. snows; snows C. will snow; snows D. snows; will snow( ) 2. When we had no choice but _, he did no
8、thing but _ up and down.A. to wail; to walk B. wait; walk C. to wait; walk D. wait; to walk( ) 3. People dont allow _ cars here. But he is allowed _his car here.A. parking; parking B. to park; to park C. to park; parking D. parking; to park( ) 4. He _ Jacks invitation. But he didnt _because he had n
9、o free time. A.received; accept B.accepted; receive C.received; received D.accepted; accepted( ) 5. He made a kite_. His father made him _it to his young sister.A. play; give B. to play with; give C. play with; to give D. to play with; to give( ) 6. The radio is too noisy. Will you please_?A. turnin
10、g down it B. turning it down C. turn down it D. turn it down( ) 7. We havent decided_.A. if well visit the park or not B. whether will we visit the parkC. if to visit the park D. whether to visit the park( ) 8. When and where to have the meeting _decided, but what to talk about and who to be chosen
11、as the chairperson _ decided.A. are; are B. is; is C. are; isnt D. is; arent3( ) 9. The patient needs_ _ and he needs_, too.A. to take care of; to take more exercise B. taking care of; taking more exerciseC. to take care of; taking more exercises D. taking care of; to take more exercise( ) 10. I can
12、t decide_.A. what to do it B. how shall I do it C. how to do it D. what shall I do（二）句型转换1. They quarreled with each about that plan.（同义句）They _ _ _ with each other about that plan.2. Can you tell me who I should talk to about the problem of stress? （同义句） Can you tell me _ _ _ _ about the problem of
13、 stress?3. We wondered if we would have a picnic the next.week. （同义句）We wondered _ _ _ a picnic the next week.4. We have to stay at home on a rainy day. Its the only choice. （同义句）We _ _ _ _ _ _ at home on a rainy day.5. He asked how he could deal with so much housework. （同义句）He asked _ _ _ _ so much
14、 housework.6. He practised a lot to improve his spoken English.（提问） _ _ he _ _ _ _? 7. Ill have someone repair my bike.（ 改同义句）Ill _ my bike _ .8. He could hardly hear what I said, _?(反意疑问句)（三）改错1.Our English teacher uses different ways to keep us interesting in class_2.He didnt know how to do._3.You should give up play computer games at the moment._
