题目内容

二极管交流等效电路参数与其静态参数无关。

A. 对
B. 错

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二极管存在最高工作频率是因为PN结有电容效应。

A. 对
B. 错

when you meet someone for the first time, you can say( )

A. It's nice to meet you
B. I'm glad to see you again
C. It's pleased to see you
D. I'm good to meet you

How's it going?

A. I'm doing good
B. It's going well
C. It's ok
D. not much

翻译下面四个句子1. 见到你很高兴。2. 你好!这是我的名片。3. 好久不见,你最近好吗?4. 请叫我Nancy。

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