题目内容

RN1型主要用作高压电路和设备的短路保护,并能起过负荷保护的作用,其额定电流可达100A。

A. 对
B. 错

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[音频]Please give proper response.

A. Let's go now.
B. Don't mention it.
C. Sit down, please.
D. Yes, I am.

Please give proper response.

A. Yes, it is.
B. All right.
C. Sure, I will.
D. Never mind.

Please give proper response.

A. Nice.
B. Sure.
C. I think so.
D. Yes, please.

Please give proper response.

A. Take it easy.
B. Not at all.
C. No, thank you.
D. See you later.

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