题目内容

共集电极放大电路又称为射极输出器。

A. 对
B. 错

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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。

We are very glad to hear that the incident in the chemical plant _______ no threat to the environment. 我们很高兴地得知化工厂的事故没有对环境造成危害。