属于特种设备是（）。 A.压力容器 B.起重机械 C.厂（场）内机动车辆 D.翻车机

He got the first place in the Oral English Contest, ____ was beyond his expectation.

A．that

B．it

C．what

D．which

Twenty dollars ___ enough for the coat. [ ]

A. is

B. are

C. has

D. have

锅炉分集箱有几路疏水？各路疏水门的型式？

电话记录中的5W1H不包括（）

A、Who谁

B、Where地点

C、Hour时间

D、Why原因

计算题：按有效数字运算规则计算下列结果（1）0.24＋6.708＋109；（2）2506×0.044÷0.0125。