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山东省新泰市第二中学英语选修八Unit3 Inventors and inventions教案高中英语课程目标八级语言技能目标节选：能抓住一般语段中的观点；1. 能通过分析句子结构理解难句和长句；2. 能根据学习任务的需要从多种媒体中获取信息学习目标1 阅读课文，进一步理解和掌握课文结构。2 掌握课文中的重点短语和句型。3 学会运用短语和句式。【预习案】I. The purpose in writing this text isA. to show us how to trap the snakes but not to kill themB. to tell people how to apply for a patent of the writers new ideaC. to introduce the writers new idea of trapping the snakes and her application for a patentD. to tell the readers how to get a new idea and make it a patentII. Divide the passage into several parts and find out the main idea for each paragraph.Part 1(para.1) _Part 2(para.2-3) _Part 3(para.4-6) _Part 4(para.7-8) _III.课文短语：1. 给打电话 _2. 在打电话；在通电话 _3. 远离 _4. 去除；除掉 _5. 做的机会 _6. 生物 _7. 目的是；用来做 _8. 决定；选定 _9. 由做成 _10. 同时 _11. 在顶部 _12. 用覆盖 _13. 小心谨慎地 _14. 弯腰去做 _15. 拿起；提起；举起 _16. 用来做17. 满怀期待地18. 根据计划 _19. 被催促 _20. 捉住的机会 _21. 另外 _22. 与不同 _23. 填表 _24. 银行结余 _【探究案】一、检查反馈，导入新课。二、目标定位，确定重点。1.了解掌握本篇课文中的重难点语法知识。2.学会用这些句式做一些简单的句子。三、自主探究，教师点拨。1. The first thing I did was to see if there were any products that might help me, but there only seemed to be powders designed to kill snakes.(L11-12Translate_whose only job is to exam whether your claim is valid or not.1)be to do 结构用法，表示“计划”“安排”“义务”“应该”“可能”“命运”。He is to have a holiday. (表示_)You are not to smoke in this room.（表示_）Not a single sound was to be heard.（ 表示_）The worst is still to come.（表示_）ExercisesThis film _ this Sunday.A. is going to show B. is showingC. is to be show D. will have been showThe students were told that they _ at the school gate at 2:00 the following afternoon.A. met B. will meet C. were to meet D. were met The house _ ready today but as there has been a builders strike it is still only half finished.A. is B. was to be C. was D. was to have beenIn such dry weather, the flowers will have to be watered if they _.A. have survived B. are to surviveC. would survive D. will surviveHow _ I _ what has become of him?A. am; to know B. am; knowingC. was; to know D. will; know2) there seems to be 句式，to be 可以省略。Thereseemstobesomethingwronghere._2. as the temperature was starting to cool (L31) then as before, I covered the bowl with the bucket.(L32) as they were poisonous snakes, I clearly needed(L35)as 的用法1) conj. as.as意为和一样，其基本结构为：as+ adj./ adv. +as。这部电影和那部电影一样有趣。_引导时间状语从句随着时间流逝，他们联系越来越少了。_引导原因状语从句As rain has fallen, the air is cooler.因为下过雨，空气比较清爽。引导让步状语从句尽管他是孩子，他却什么都知道。_2) as作关系代词,用于the same.as；such.as; so +adj. + a/an + n. (单数) + as结构中, as还可单独引导定语从句。我不喜欢他推荐的那些书。_3）as作介词的用法, 作为，以身份。他五年前以游客的身份来过中国。_Exercises_is reported in the newspaper, talks between the two countries are making progress.(2020北京卷)A. It B. As C. That D. WhatHisplanwassuchagoodone_weallagreedtoacceptit.(2020陕西卷)A.asB. thatC.soD. and_ ，he talks a lot about his favourite singers after class.(2020重庆卷)A. Quiet a student as he may beB. Quietstudent as he may beC. Be a quiet student as he may beD. Quiet as he may be a student John is the tallest boy in the class, _according to himself.(2020安徽卷)Afive foot eight as tall as B. as tall as five foot eightC. as five foot eight as D. as tall five foot eight as _ the day went on, the weather got worse.(MET1990)A.WithB. SinceC. WhileD. AsCareful surveys have indicated that as many as 50 percent of patients do not take drugs_ directed.A.like B. so C. which D. asWe had better hurry_ it is getting dark.A. and B. but C. as D. unlessI feel that one of my main duties _ a teacher is to help the students to become better learners.(2020广东卷)A.for B. by C. as D. with_ I know the money is safe , I shall not worry about it .(2020北京)A.Even though B. Unless C. As long as D While二次备课（教师）学习补充及疑惑（学生）
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