B4 U9 大学英语[精].doc

Unit 9 Science and Technology I单元导读 经典引用 The whole of science is nothing more than a refinement of everyday thinking. Albert Einstein 科学的全部就是日常思维的一个精致版本。 --爱因斯坦 People must understand that science is inherently neither a potential for good nor for evil. It is a potential to be harnessed by man to do his bidding. Glenn T. Seaborg 人们必须明白，科学本身事先并没有要为了某种高尚或邪恶的目的，它是被人类利用来完成他们目的的力量。--格兰·T·西博格1951 年诺贝尔化学奖得主What do the advances in science and technology bring to us average people？ You may ask yourself the following questions: How has your life changed with mobile phones, MP3, VCD, DVD, etc.? Is it possible now for you to get information about almost anything from almost anywhere and to communicate with people all over the world? Do you think business can be run and managed by individuals working in their homes connected by computer? Did you notice that the vegetables and fruits we eat today are not as tasty as that of the past? What do you think are the causes? Are you living in a world of more noise and air pollution? Do you think that the existence of nuclear power poses a grave threat to the future of the world? 相关链接 1. Definitions of Technology “Technology” has more than one definition. One is the development and application of tools, machines, materials and processes that help to solve human problems. As a human activity, technology predates both science and engineering. It embodies the human knowledge of solving real problems in the design of standard tools, machines, materials or the process. Thus standardization of design is an essential feature of technology. The term “technology” thus often characterizes inventions and gadgets using recently-discovered scientific principles and processes. However, even very old inventions such as the wheel exemplify technology. Another definition — used by economics — sees technology as the ?current? state of our knowledge of how to combine resource