溴化锂吸收式制冷机，用真空泵抽气时，（）会随着不凝性气体一起被抽出机外。
A.溴化锂溶液
B.制冷剂蒸气
C.冷却水
D.冷冻阀
参考答案：B
It was luck again, according to Nina, that brought her the role in Mute Wife ______ she is best known.
A．which
B．in which
C．for which
D．to which
运行中的保护装置出现异常情况后，现场运行人员应及时向调通中心当值调度员汇报，并根据相关规定，决定是否申请退出该保护。（）
