接入距离保护的阻抗继电器的测量阻抗与()。A、电网运行方式无关 B、短路形式无关 C

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问题:

接入距离保护的阻抗继电器的测量阻抗与()。

A、电网运行方式无关

B、短路形式无关

C、保护安装处至故障点的距离成正比

D、系统故障、振荡有关

考点:变电站值班员考试变电站值班员(高级)变电站值班员(高级)题库
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短文改错. 本题共有10处错误,请在原文中改正(满分10分)

My bicycle went wrong again. Tired with repairing it again and again, I decide to buy a new one. After school, I went to a shop locating in the center of the city with a friend called Jack. The black bicycle attracted my eyes as soon as we went into the store. It looked such cool that I could hardly wait to ride it. The shopkeeper told us that it is the latest bicycle. He wanted to charge me 800 yuan, that was too high for me. I just couldn’t afford for such an expensive one. Then I chose another one, which cost him only 200 yuan. It was not perfect, it was much better than the old one.

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女性,45岁。突发上腹疼痛,伴恶心、呕吐。超声检查显示胆囊多发结石,胰腺肿大,轮廓不清,回声减低,周围见少量液性暗区。首先要考虑的诊断是()。

A.急性胰腺炎

B.慢性胰腺炎

C.急性胃炎

D.急性胆囊炎

E.急性胆管炎

题型:单项选择题

根据医院病床编设的原则,二级医院病床数不少于 ()

A.100张

B.200张

C.500张

D.700张

E.800张

题型:单项选择题

在市场上首先行动可以帮助交易所减少下面哪一项难题?()

A.交易费

B.成本储蓄

C.征求供应商

D.交易所太多

题型:单项选择题

下列关于国家助学贷款偿还的说法中,不正确的是( )。

A.借款学生自取得毕业证书之日(以毕业证书签发日期为准)起,次月1日(含1日)开始归还贷款利息

B.提前离校的借款学生办理离校手续之日的下月1日起自付贷款利息

C.休学的借款学生复学,次月1日起恢复财政贴息

D.借款学生毕业后申请出国留学的,应主动通知经办银行并一次性还清贷款本息

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