题目内容

You should make your message as detailed as you can to make the recepient understand what you said.

A. 对
B. 错

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You can end your email with some phrases like "yours sincerely".

A. 对
B. 错

下面哪种组态的电路输入电阻最小

A. 共源极
B.共漏极
C. 共栅极

下面哪种组态的电路输出电阻最小

A. 共源极
B.共漏极
C. 共栅极

下面哪种组态的电路输出电压和输入电压相位相反

A. 共源极
B.共漏极
C. 共栅极