单项选择题

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．Silent reading had not been discovered.B．There were few places available for private reading.C．Few people could read for themselves.D．People relied on reading for entertainment.
A．Silent reading had not been discovered.
B．There were few places available for private reading.
C．Few people could read for themselves.
D．People relied on reading for entertainment.
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.
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