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问题 问答题 简答题

对电网运行方式无明显影响主要是指？

答案

参考答案：

1、不调整本网的正常电气接线方式；2、不影响电网的电能质量；3、不威胁电网的稳定性；4、不影响电网继电保护及安全自动装置的配合

单项选择题

起重机械广泛使用的钢丝绳是()。

A、交绕绳

B、顺绕绳

C、混合绕绳

D、多绕绳
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填空题

请先阅读下面短文，掌握其大意，然后从方框中所给的词中选出最恰当的10个，用其适当形式填。每个词限用一次。

    My favorite TV program is a reality show called Survivor (幸存者). It isn’t on TV at the moment  1  it was on last year.

    In the show, two teams of people are taken to a (an)  2  . All of them have to sleep  3  because there aren’t any houses or hotels. They usually choose  4  really useful like a toothbrush since they can only  5  one thing with them. The people also have to find food and they spend a lot of time fishing and collecting fruit from the  6  . Every week one person has to  7  . At the end, there are only two people on the island and one them is chose  8  the winter.

    I really like Survivor because it’s very  9  and the people have to do things like hunting for food. I really 10  myself when I watch it. I don’t want to be on the show, however, I like living in a house!

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