单项选择题

Without computers, we ______ the tremendous medical advancement in the last few decades.

A．would not make
B．will not have made
C．could not make
D．couldn't have made
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单项选择题
Many newcomers complain of the rapid ______ of life in Hong Kong.
A．rate
B．pace
C．speed
D．growth
单项选择题
After a whole day's heavy work, the old worker returned home, ______.
A．hungry and felt exhausting
B．hunger and exhausted
C．hungry and exhausted
D．hungry and having been exhausted
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