People from different countries__________.

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 modern plough pulled by oxen is "state of the art".

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C. With the rapid development of computer, "state of the art" computer may easily become out of date.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.

A. to which

B. which

C. to where

D. at which

A. people can do what

B. people cannot do what

C. can people do what

D. can' t people do what

A. the computer' s memory has a little bigger capacity than a teenager' s

B. the computer's memory capacity is much smaller that an adult human being' s

C.the computer' s memory capacity is much smaller even than a teenager' s

D. both A and B

A. the unnoticed motion of his muscles

B. "participating" in the performance

C. bending an ear to the music

D. being the conductor of the orchestra

A：Great

B：Thanks

C：Oh, no

D：Not at all

A：Oh, that's very nice of you

B：Certainly

C：It's a pleasure

D：Oh, I'm glad to hear that

A：You are welcome.

B：Oh, really? I can't believe my ears!

C：Please accept my congratulations.

D：It's very kind of you.

A：Oh, what's a pity!

B：Thanks, would you please take a message for me?

C：I don't think so.

D：Well, I look forward to hearing from you.