框架结构是由梁、柱等线性杆件组成的骨架，可作为主要抵抗( )的结构。
A．竖向荷载
B．竖向荷载和水平荷载
C．水平荷载
D．活荷载及恒荷载
参考答案：B
What is counterculture? What are some of the forms of counterculture?
