广泛采用的一面两销定位限制了工件的（）个自由度。
A.4
B.5
C.6
D.7
参考答案：C
The experts suggested the problem worth paying attention ____ at the meeting.
A．to be discussed
B．to been discussed
C．being discussed
D．should be discussed
比最小的五位数多100000的数是______．
