进行10kV地电位带电作业时，人身与带电体间的安全距离不得小于0.2m。

—Life is hard these days.

—At least we have some money left. That's ________, isn't it?

A．everything

B．nothing

C．something

D．anything

There are ______ students in our school.

A. three thousands of      B. three thousand       C. three thousands

简述口对鼻吹气方法及要求。

农村信用社单个社员的最高持股比例不得超过该农村信用社股本资金总额的______

A．1%
B．2%
C．3%
D．4%

测量器具所能读出的最大最小值的范围称为（）。