答案:C
— __________________ now?
— It's two o'clock. [ ]
A. What the time
B. What's the time
C. What time it is
D. Which time
信息系统评价的常用方法主要有______。
A.定量方法、定性方法、动态方法、静态方法、成本—效益分析法、专家意见法、多准则评价法等
B.成本—效益分析法、专家意见法、多准则评价法等
C.定量方法、定性方法、动态方法、静态方法等
D.动态方法、静态方法、成本—效益分析法、专家意见法、多准则评价法等