单项选择题

Once you´ve made the Internet connection，you can send（）to anyof computer user all around the world.

A.e-mail
B.WWW
C.browse
D.web station

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单项选择题
Small business may use（）for word processing.

A.microcomputers
B.industrial computers
C.mainframe computers
D.supercomputers
单项选择题
（）system let you run more than one program at a time.

A.Application
B.Software
C.Real time
D.Multitask
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