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题目内容
（郑州工业应用技术学院计算机专业英语）
Today, _________ can give you a music synthesizer, a fax machine, a CD-ROM drive, ect.
A.input devices
B.expansion cards
C.output device
D.joystick
A.input devices
B.expansion cards
C.output device
D.joystick
参考答案
