对于双索面斜拉桥主梁，预应力控制在恒载+活载作用下，构件不出现拉应力范围。( )
参考答案：错
___around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
A．Having shown
B．To be shown
C．Having been shown
D．To show
剪刀撑的接长应采用什么连接方式（）。
A.对接
B.搭接
C.转角接
