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Book 3 Unit 4 Extended Reading 1 The Value of Science 一.学习目标 By the end of this section, students will be able to: 1. understand the main idea of each paragraph; 2. analyse the language and rhetorical devices used in this lecture; 3. write a summary of this lecture; 二.预习:阅读课文P53-54中的材料. 三.合作探究 深度学习 一)导 入 Ask students the following questions: 1.Do you think science is good or evil? 2.What are the values of science in your eyes? 二)学生讨论 学生对照学案进行分组讨论,并同时进行板书 (三)聚焦展示 Task 1. 1区(学习目标一)Fast- reading .Figure out the structure of this lecture transcript. Introduction:paras. _(1) Main idea:(2)_ Main body: paras._(3) Main idea:(4)_ Conclusion: para._ (5) Main idea:(6)_ Task 2. 2区(学习目标二) Detailed-reading .根据 Extended reading 课文内容选出最佳选项 1. What caused Richard Feynman to question the value of science ? A . His repeated failure in scientific research . B . People ' s ignorance and misunderstanding of science at that time . C . Some disastrous effects brought by science in the war . D . Other scientists ' negative comments on the value of science . 2. How many values of science are referred to in the lecture ? A .2. B .3. C .4. D .5. 3. What does " the intellectual enjoyment " mean according to Richard ? A . Science is great fun and people take delight in learning science . B . Science is complex and can help people become clever . C . Science is unlimited and people get pleasure from making constant discoveries . D . Science is developing and people enjoy the ever - changing scientific knowledge . 4. Why is it important for scientists to have the experience with ignorance and doubt and uncertainty ? A . Because science is based on ignorance and doubt and uncertainty . B . Because scientists also need to live a common life . C . Because this experience once helped scientists fight against authority . D . Because this experience can motivate scientists to go a long way in their exploration . Task 3. 3区(学习目标三) 深度感悟 Write a summary of the lecture transcript. Use the following ideas t