单项选择题

Questions 29 to 31 are based on the passage you have just heard.

A．To tell what "high tech" and "state of the art" are.
B．To tell how "high tech" and "state of the art" have developed.
C．To give examples of high tech.
D．To describe the modern technology.
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单项选择题
A．They didn’t notice them.B．They gave mythological explanations.C．They ignored them.D．They chose to avoid seeing them.
A．They didn’t notice them.
B．They gave mythological explanations.
C．They ignored them.
D．They chose to avoid seeing them.
单项选择题
A．He is promoting the sales of something by telephone.B．He is talking with the woman on how to stay healthy.C．He is discussing with the woman on how to stay fit.D．He is talking with the woman about a fitness program.
A．He is promoting the sales of something by telephone.
B．He is talking with the woman on how to stay healthy.
C．He is discussing with the woman on how to stay fit.
D．He is talking with the woman about a fitness program.
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