题目内容

n. the national legislative body of a country; a large formal meeting or series of meetings where representatives from different groups discuss ideas, make decisions, etc.

A. distress
B. challenge
C. congress
D. collapse

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v.to make sb. feel very worried or unhappy; n.a feeling of great worry or unhappiness; great suffering

A. distress
B. drawer
C. disgust
D. disorder

n. a loss of honour or respect because you have done sth immoral or unacceptable

A. colonel
B. conjunction
C. dimension
D. dishonour

111kv及以上电力系统中,架空输电线路全线架设避雷线的目的是( )

A. 减少雷击事故,提高输电线路的耐压水平
B. 减少线路雷击事故,提高供电可靠性
C. 减少雷击事故,降低输电线路对地电压
D. 减少雷击事故,提高电能质量

电流继电器的作用:在继电保护装置中检测主回路电流的大小,当电流大于或小于动作值时,继电器动作,起动保护装置,切断主回路,起到保护的作用。

A. 对
B. 错

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