试题与答案

电机中绝缘的热老化现象表现为绝缘材料的()性能逐步下降直至损坏。

题型:填空题

题目:

电机中绝缘的热老化现象表现为绝缘材料的()性能逐步下降直至损坏。

答案:

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参考答案:A

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1. _____ is my favorite star?

    A. Jack

    B. Chan

    C. Jim

    D. Jack Chan

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    A. a comedy

    B. a thriller

    C. an action movie

    D. a comedy

3. _____ famous movie is Sleepless Night.

    A. Jack Chan's

    B. Michele Yan's

    C. Jim's

    D. Lily's

4. I think Sleepless Night is _____.

    A. great

    B. boring

    C. exciting

    D. funny

5. _____ wants to be a Beijing Opera artist.

    A. Mike's father

    B. Jack's father

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