什么是兆欧表？
参考答案：
兆欧表又称为摇表，主要用于测量电气设备的绝缘电阻，以判断电气设备的绝缘是否可靠。
用4、7、9组成六个不同的两位数，再把这六个数按从小到大的顺序排列起来。
What they never take into account is the frazzled woman who is leading a________life — trying to be a good mother while having to pretend at work that she doesn''t have kids at all.
A．double
B．hard
C．two-way
D．miserable
