用于中性点有效接地的高压三相三线供电线路中的三相四线制电能计量装置，其电压互感器高压侧接地，可以避免在二次负荷各相不平衡时，增大计量电能的误差。
参考答案：对
同业拆借利率由( )自行商定。
A．交易其中一方
B．交易主要方
C．交易双方
D．任意一方
Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 57 floors per minute. At the same time Joyce gets on an elevator on the 51st floor of the same building and rides down at a rate of 63 floors per minute. If they continue traveling at these rates, at which floor will their paths cross
A．19
B．28
C．30
D．32
E．(E) 44
