直流双臂电桥是用于测量（）
A.中值电阻
B.小电阻
C.绝缘电阻
D.接地电阻
参考答案：B
How ______ you did so much work with such a short time?
A．did it come about
B．did it come about that
C．came about that
D．was it that came about
下列不属于资产评估工作原则的是( )。
A．独立性原则
B．客观公正性原则
C．专业性原则
D．科学性原则
