变压器分接开关接触不良，会使（）不平衡。
A、三相绕组的直流电阻；
B、三相绕组的泄漏电流；
C、三相电压；
D、三相绕组的接触电阻。
参考答案：A
Dad is used to smoking and drinking. There’s no chance ________ I'm able to talk him into ________.
A．whether; giving it up
B．of whether; giving them up
C．that; getting rid of them
D．which; stopping it
浅海型含煤岩系
