问题
单项选择题
Office（ ）is the application of the computer and communications technology to improve the productivity of office workers.
A．Tool
B．Automation
C．Device
D．FAX
答案
参考答案：B
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Office（ ）is the application of the computer and communications technology to improve the productivity of office workers.
A．Tool
B．Automation
C．Device
D．FAX
参考答案：B