根据《液压爬升模板工程技术规程》，油缸机位间距不宜超过（）米。
A.3
B.5
C.7
D.9
参考答案：B
—I didn't see you at the meeting.
—I had a bad cold. The doctor asked me _______ in bed. [ ]
A. staying
B. to stay
C. stayed
D. to staying
下面程序输出的结果是（ ）
S=0
For i=2To 10
S=S+i
Next
输出S．
A．66
B．65
C．55
D．54
