距离保护的时限特性与保护安装处至故障点的距离无关。
参考答案：错
--- You never feel worried before an exam, how can you?
---Well, I’ve been working hard all the time. Surely I am _________ any exam.
A．interested in
B．afraid of
C．busy with
D．ready for
传统的劳动市场理论认为，对劳动需求的增加将（）
A.减少就业并提高实际工资
B.减少就业并降低实际工资
C.增加就业并提高实际工资
D.增加就业并降低实际工资
