【单选题】[4.6][TC]一钢筋混凝土短柱,作用一轴向压力N 。过2年后卸去该轴向压力N ,则( )。
【单选题】In front of the Nine-dragon Lake, we can see a white marble statue of ______________.
【单选题】The nine big bronze Dings are displayed in front of the Head Statues of Emperor Yan and Emperor Huang for ___.
【简答题】Zhengyangmen is also known as the ____. Actually it is the south front gate of the ____. It was one of the nine city gates in the old city of Beijing. The tower to the south of the Front Gate is calle...