如果负载电流超前电压90°，这个负载是（）。
A.电阻
B.电容
C.电感
D.电阻、电感串联
参考答案：B
WikiLeaks founder Julian Assange was in court today, and when asked for his address he said he didn't want to ________ that information.
A．give out
B．keep out
C．hold out
D．bring out
孤腑
