电压互感器是将系统的高电压改变为标准的低电压。

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问题:

电压互感器是将系统的高电压改变为标准的低电压。

考点:电工进网证考试电工进网证(高压类)电工进网证(高压类)题库
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动词运用。

     We have a radio station in our school. It is great because it 1.______ (run) by the students for the school.

It 2._______ (start) two years ago. And I 3_______ (be) a student member of the radio station for two

years.

     Every morning we tell the students about the weather and latest news, plus some special messages that

the teachers want us to mention.

     During exam time we have a special program that 4______(tell) the students the things they should or

shouldn't 5_______ (do) for preparation. At the end of the school year, many students 6_______ (leave) our

school. They use our station to give messages to their close friends and teachers.

     When parents come 7_______ (visit) the school and talk to the teachers in the evening, we always play

songs. The songs 8_______ (sing) by the students. And we also report the events to the parents, such as

outings and school plays.

     I'm graduating (毕业) soon. I 9_______ (miss) the radio station, and I 10_______ (hope) that it shall

live on forever.

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分解因式:2x2+4x+2=(    )

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高血压病发病过程中占主要地位的是()

A.交感神经活动性增强使外周小血管收缩

B.肾缺血肾素分泌增多

C.肾上腺皮质分泌醛固酮

D.高级神经中枢功能失调

E.水钠潴留,血容量增多

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飘口

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请问中国三大宫殿建筑分别是?

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