第5题: [单项选择]The special-effects person made the fish stop swimming (). A. by staring at them B. by applying electricity to the fish bowl C. by reducing the amount of electricity applied to the fish bowl D. by ordering them to stop 参考答案:B
第6题:[单选题]( )接线方式可测量任两相间电压和各相对地电压。 A. 只用一个单相电压互感器的单相接线 B.采用两只单相双绕组电压互感器组成的不完全三角形接线. C.由一台三相五心柱或三个单相三线圈电压互感器组成的Y/Y/△接线. D.由一台三相三心柱式电压互感器的接线. 参考答案:C