串联谐振电路在谐振发生时，电路中的阻抗最大，电流最小。
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串联谐振发生时，动态元件L和C两端的电压可达到总电压的Q倍。
A. 对
B. 错
信号传输中可利用谐振特性构成各种滤波电路，将大部分干扰信号滤除。
A. 对
B. 错
并联谐振时呈高阻特性，因此电路向电源取用的电流很小，支路电流也很小。
A. 对
B. 错
1.So _________ after she learned the good news that she could hardly fall asleep that night.
A.excited the mother was
B. was the mother excited
C. the mother was excited
D. excited was the mother
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