Passage 3
　　Questions 11 to 15 are based on the following passage:
　　"High tech" and "state of the art" are two expressions that describe the modem technology. High tech is just a shorter way of saying high technology. And high technology describes any invention, system of device that uses the newest ideas or discoveries of science and engineering. What is high tech? A computer is high tech. So is a communications satellite. (79) A modern manufacturing (生产) system is surely high tech. High tech became a popular expression in the U-nited States during the .early 1980' s. Because of improvements in technology, people could buy many new kinds of products in American stores, such as home computers, microwave ovens, etc.
　　"State of the art" is something that is as modem as possible. It is a product that is based on the very latest methods and technology. Something that is "state of the art" is the newest possible design or product of a business or industry, A state of the art television set, for example, uses the modemest electronic design and parts. It is the best that one can buy.
　　"State of the art" is not a new expression. Engineers have used it for years, to describe the best and most modem way of doing something. Millions of Americans began to use the expression in the late 1970' s. The reason was the computer revolution. Every computer company claimed that its computers were "state of the art".
　　Computer technology changed so fast that a state of the art computer today might be old tomorrow. (80) The expression "state of the art" became as common and popular as computers themselves. Now all kinds of products are said to be "state of the art".
　　11. What is the purpose of the passage?
　　A. To tell how "high tech" and "state of the art" have developed.
　　B. To give examples of "high tech".
　　C. To tell what "high tech" and "state of the art " are.
　　D, To describe very modem technology.
　　12. What can we infer from the passage?
　　A. American stores could provide new kinds of products to people.
　　B. High tech describes a technology that is not traditional.
　　C. "State of the art" is not as popular as "high tech".
　　D. A modem plough pulled by oxen is "state of the art".
　　13. All the following examples are high tech except
　　A. a microwave oven
　　B. a home computer
　　C. a hand pump
　　D. a satellite
　　14. Which of the following statements is not true?
　　A. Since the computer revolution, the expression "state of the art" has become popular.
　　B. "State of the art" means something that is the best one can buy.
　　C. With the rapid development of computer," state of the art" computer may easily become out of date.
　　D. All kinds of products are "state of the art" nowadays.
　　15. The best title for the passage is
　　A. Computer Technology
　　B. High Tech and State of the Art
　　C. Most Advanced Technology
　　D. Two New Expressions

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