共集电极放大电路又称为射极输出器。
A. 对
B. 错
The unemployed actually _______ most from these policies. 实际上失业人员从这些政策中受益最大。
Winning the championship was a great personal _________ for this young tennis player. 赢得冠军对这个年轻的网球运动员来说是很大的个人成就。
The new president _______ to cut taxes and increase employment yesterday. 新总统承诺要削减税收、增加就业。