单项选择题

The computer will soon affect （）

A．people in large cities
B．people in developed countries
C．all humanity
D．the Western world

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单项选择题
The computations of the computer are measured in （）

A．seconds
B．microseconds
C．milliseconds
D．nanoseconds
单项选择题
The part of a computer that （） is the size of the end of a finger.

A．prints the information
B．stores the information
C．does the computing
D．memorizes computing
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