在劳动争议诉讼中，按照当事人诉讼请求的目的和内容不同，可分为（）。
A.确认之诉
B.给付之诉
C.变更之诉
D.反诉
E.抗诉
参考答案：A, B, C
The place ________the bridge is supposed to be built should be_________ the cross-river
traffic is the heaviest. [ ]
A. which; where
B. at which;which
C. at which ; where
D. which ; in which
A．副线圈输出交流电的频率为10Hz
B．交流电压表的示数为20V
C．电阻R上消耗的电功率为2kW
D．原线圈中电流的最大值为100A
V