某悬臂梁受力情况如下，其月点处的弯矩数值大小为（）。
A.A
B.B
C.C
D.D
参考答案：D
按从大到小的顺序排列
10605001605000610050061015100
______．
Nowadays ______ of business letters are written in English. [ ]
A. two third
B. two thirds
C. two three
D. second three.
