在电阻、电感和电容的串联电路中,出现电路端电压和总电流同相位的现象叫做电压谐振。()
参考答案:对
简述初中思想品德课程的基本理念。
— Hainan Island is the ______ largest island in China.
— Yes, and the weather there is nice. So every year ______ people come here to enjoy themselves. [ ]
A. two; thousand of
B. second; thousand of
C. two; thousands of
D. second; thousands of