檩条跨中截面b点进行抗弯强度验算时，其应力值(N／mm2)，与下列何项数值最为接近? (A)81．6 (B)84．5 (C)92.0 (D)139．3

Song to Celia was written by（）. 点击查看答案

As a man of strongly-held religious and political convictions, Daniel Defoe published many writings , including（）.

A．Of Reformation
B．Areopagitica
C．The Ready and Easy Way to Establish a Free Commonwealth
D．The Shortest Way with Dissenters

点击查看答案&解析