问题
单项选择题
The user must interact with the （）in order to accomplish task．
A．Printer
B．memory
C．CPU
D．operation system
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
The user must interact with the （）in order to accomplish task．
A．Printer
B．memory
C．CPU
D．operation system
参考答案：D