“High tech” and “state of the art” are two expressions that describe very modern technology. High tech is just a shorter way of saying high technology. And high technology describes any invention or system 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. A modern manufacturing  (制造业的)  system is surely high tech.
High tech became a popular expression in the United 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 (微波炉), etc. “State of the art” is something that is as modern as possible. It is a product that is based on the very latest ways 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 most modern 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 modern way of doing something.
Millions of Americans began to use the expression in the late 1970’s. The reason was the computer revolution（革命）. Every computer company claimed (声称) that its computers were “state of the art”.
Computer technology changes so fast that a state of the art computer today might be old tomorrow. The expression “state of the art” has become as common and popular as computers themselves. Now all kinds of products are said to be “state of the art”.
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 modern technology.

What can we learn from the passage?

A．American stores could provide new kinds of products to the people.

B．“High tech” describes a technology that is not traditional.

C．“State of the art” became popular later than “high tech”.

D．A lantern out of a big orange pumpkin is “state of the art”.

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 development of computer technology, a state of the art computer may easily become unpopular.

D．All the producers claim that their products are “state of the art” nowadays.

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