题目内容

差分放大器的输入阻抗越低，其对共模信号的抑制能力就越强。

A. 对
B. 错

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As I think about who might be my role model, I realizethat there are a lot of people I know personally that I could look to for inspiration.

I admire Oprah because she seems to be “just a regular girl.”

Role models can also influence how much confidenceyou have in your ability to succeed.

“In school, it has always been easy for me to just getby,” Nolan says, “but I always try to go the extra stepand do my best work.”