(
课件网) Extended reading —Reading comprehension Unit 4 Scientists who changed the world Does science always make good things for everybody chemistry biochemistry information technology Science is a double-edged sword. Pre-reading Make an oral practice Advantages “Science is a double-edged sword.” Due to the advances in medical science, some deadly diseases can be cured by some life-saving medicine, such as qinghaosu, penicillin and so on. Military science is often misused in wars, which cause countless deaths and injuries. Disadvantages The production of hybrid rice can ease the hunger problem. The invention of the Internet can make our lives more convenient. Being smartphone addicts is harmful to our real lives. Industrialized society can damage the environment. What is it Facial recognition system Function Invade privacy Negative effect Science is a double-edged sword. Enjoy a video about the author—Richard Feynman Now we’re going to understand the value of science in Feynman’s eyes. 1．What type of writing is the text A．Narrative writing. B．Argumentative writing. C．Expository writing. D．Practical writing. 2．What’s the main idea of the passage The main idea of the passage is _____. Activity 1 Fast-reading for basic information. While-reading √ the value of science Structure Introduction: _____ _____ Main body: _____ _____ Conclusion: _____ _____ Figure out the structre of this lecture transcript. paras.1-2 paras. 3-6 para. 7 Skimming Part1_____ Part2_____ Part3_____ C. Richard Feynman's personal experience influence his attitudes towards science. A. Three values of science. B. Responsibility of scientists. (paras. 1-2) (paras. 3-6) (para. 7) When I was younger, I thought science would make good things for everybody. It was obviously useful; it was good. But then during the war I worked on the atomic bomb. This result of science was obviously very serious --it represented the destruction of people and it put our future at risk. I had to ask myself, “Is there some evil involved in science 在我还很年轻的时候，我以为科学会给每个人都带来好处。科学显然是有用的；有好的一面。但随后在战争期间，我从事了原子弹的研究。这个科学的成果明摆着有很大的危险性———它意味着人的毁灭，并使我们的未来岌岌可危。我不得不扪心自问：“科学之中是不是也包含罪恶？” Para.1 对……有好处 显然 战争期间 从事… 原子弹 严重的/危险的 代表/意味着 毁灭 把未来置于危险之中 恶魔 包含 1. _____ 从事，致力于 2. _____原子弹 3. _____ 使……处于危险之中 4. _____ 包含在，与...有关 work on put...at risk be involved in atomic bomb Para.1 Put another way, what is the value of the science I had devoted myself to—the thing I had loved — when I saw what terrible things it could do It was a question I had to answer. I thought long and hard about this question, and I will try to answer it in this talk. 换句话说，当我看到科学可能造成的恶果之后，我一直投身其中的科学———我曾经的挚爱，价值何在？这是一个我必须回答的问题。关于这个问 ... ...
