题目内容

发射极跟随器的电压放大倍数小于1，电流放大倍数大于1。( )

A. 对
B. 错

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用图表表示幅频特性时，频率坐标用______坐标。

直接耦合放大器是直流放大器，只能放大直流信号，不能放大交流信号。( )

A. 对
B. 错

, , and __ are some factors that lead parents to pursue a competitive approach to child rearing.

Many people now prefer the saying "early ripe, early rich" to the saying "early ripe, early rot."