单项选择题

Many schools have bought computers for their students because of ______.

A．their wide variety
B．their wide use
C．the free choice of computers
D．the free choice of educational programs
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单项选择题
The author discusses all of the items listed except ______.
A．word processing software
B．accounting software
C．educational software
D．salary software
单项选择题
A word processing program is a kind of ______ that many people use to write with.
A．software
B．computer
C．printer
D．style
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