高等继续教育 / 计算机专业英语
正确率:100%
题型描述: 单选题
The most important program on any computer is _ _ _ _ .
A.Office 2000
B.software
C.Virus
D.Operating System
The most important program on any computer is _ _ _ _ .
A.Office 2000
B.software
C.Virus
D.Operating System
参考答案: