工程量清单的编制阶段是在( )。
A．设计方案确定后 B．初步设计完成后C．施工图完成后 D．施工招标后
参考答案：B
On turning on the computer, .
A．Mum told me to have supper.
B．a game appeared on the screen.
C．there was something wrong with the mouse
D．I found a strange E-mail.
A．45 km/h
B．48 km/h
C．50 km/h
D．60 km/h
