从分子运动论来看，温度的高低表现为组成（）的大量分子无规则运动的剧烈程度。
A、气体
B、系统
C、液体
D、固体
参考答案：B
She showed the visitors around the museum, the construction ________had taken more than three years.(2011·江西)
A．for which
B．with which
C．of which
D．to which
