图示结构各杆EI=常数,其C端的水平位移(→)为:()
A.225/4EI
B.225/8EI
C.0
D.80/EI
参考答案:C
解析:利用对称性判断。
It’s impolite to in France.
A.say you’re full
B.eat bread with your hands
C.put your bread on the table
D.put your hands on the table
1372年,长沙卫守御指挥、邱广扩建长沙城墙,当时长沙有几座城门?