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1、Book 3 Unit 4 Extended Reading 1The 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 stu
2、dents 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- readingFigure out the structure of this lecture transcript.Introduction:paras. _(1)Main idea:(2)_Main body: paras._(3)Main idea:(
3、4)_Conclusion: para._ (5)Main idea:(6)_Task 2. 2区(学习目标二) Detailedreading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 dis
4、astrous 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 peopl
5、e 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 scientis
6、ts 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
7、 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 to help you.(1) His personal experience(2) His ideas on the value of science_四评（拓展提升）五检AEarly people lived by hunting animals and gathering grains.
8、After a tribe(部落)had lived in an area for some time, its food supply would begin to reduce.Then the tribe had to move to new hunting grounds where there was more food.This way of life caused special problems for the tribes.They were forced to depend on luck, as well as on their hunting skills.If the
9、y could find no game, the whole tribe was in danger of starving.And when the hunters had good luck one day, they were not sure to find game the next time.The tribes moved often because much land was needed to support their people.Finally, people learned that they could grow their food.At first, the
10、women of tribes raised patches of wild grain.Later, people discovered that they could plant their own seeds.Farming slowly became a way of life.As people turned away from hunting to farming, their life changed.When the food supply became more constant, they no longer moved from place to place.The su
11、ccess of their crops depended partly on the weather, but there were also things they could do to help crops grow.In the past, a tribe had to travel many miles for food.Now，only a small amount of land was necessary to feed the whole tribe.The tribe could grow in size because farming provided a way to
12、 feed people.1From the passage we can infer _Alife was hard and unsteady for early tribesBhunting was interesting in early daysCthe change from hunting to farming happened very quicklyDearly tribes liked moving from place to place2The main idea of the passage is _Ahow the ancient people grow cropsBw
13、hy early people had to travel oftenChow farming became a way of lifeDhow the ancient people hunt3Why did the early tribes move so often?AThey enjoyed traveling around.BThey liked to go hunting everywhere.CBecause of the bad weather they did not like to stay in one place.DThey had to find enough food
14、.阅读七选五How to find the perfect careerToo many people are not satisfied with their professional career (事业) and are “stuck”in situations that do not make them happy.Here are some wonderful actions you can take to begin the path to a truly happy career.Talk to your friends.Ask them，“What do you think I
15、 am best at”，or “What do you think I enjoy doing most” 1 However，their advice may help you decide what you should do. 2 Read some interesting magazines，books，newspapers or novels.They will give you a constant flow of ideas and keep the mind rich.Talk to the happiest and most successful people you kn
16、ow. 3 Be serious with your questions.And see if there is anything you can learn from them.Have these people become your teachers and friends.Keep a journal(日记)Writing down your ideas is an important practice for your career growth. 4 You never know when great ideas will come to your mind! Develop pa
17、tience.You may want a change in your career right now. 5 Anyway，doing the practices mentioned above will bring about the right chance much faster.ARead as widely as possible.BThis may seem like a strange conversation at first.CAsk them how they realized their dreams.DChanging careers can be very difficult.ETalk to your family members.FBut it is necessary to be patient and wait for the right chance to come.GCarrying a notebook with you at all times is also a great idea.学科网（北京）股份有限公司