下列事故适用于《电力安全事故应急处置和调查处理条例》的是()。 A.某电网因继电保护

题型:多项选择题

问题:

下列事故适用于《电力安全事故应急处置和调查处理条例》的是()。

A.某电网因继电保护误动作、安全稳定控制装置拒动等原因引发多条500kV线路和220kV线路跳闸、多台发电机组退出运行,损失负荷占省网负荷16%以上

B.某供电局220kV变电站运行人员造成一起带地线合隔离开关的恶性误操作事故,引发多条220kV线路跳闸,损失负荷占省级电网负荷的20%以上

C.某一在建水电站发生高处坠落事故,造成2人死亡

D.冰冻灾害导致三省70%以上供电用户停电

考点:电力生产“1000个为什么”电力安全生产电力安全生产题库
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我会拼,我会做。

    yì duǒ hóng huā tóu shàng dài,

    yí jàan  jǐn  yī  shēn shàng gài。

    yí dào tiān liàng bǎ gē chàng,

    yí chàng qiān mén wàn hù kāi。

1.zhěng tǐ rèn dú yīn jié:

___________________________________________________

2.sān pīn yīn jié:

___________________________________________________

3.mí dǐ shì:

___________________________________________________

题型:多项选择题

小鼠骨髓细胞微核实验观察的细胞是()。

A.正常红细胞

B.嗜多染红细胞

C.早幼红细胞

D.网织红细胞

E.晚幼红细胞

题型:多项选择题

现设年名义利率r=10%,则计息期为半年的年有效利率为( )。

A.2%

B.5%

C.10%

D.10.25%

题型:多项选择题
It was the second day of a winter holiday in Queenstown, New Zealand, three years ago. When we decided to explore the beautiful scenery, our landlady   36  us,“Make sure you are well wrapped up today. The weather is   37 . Head back when you see snowfall.”
The day was bright and sunny, and I started to wonder if she was being too cautious. When snow began to fall at 6:00 pm, I was not worried, thinking we’d have no   38  in catching a taxi back. However, we waited for a while, and all the drivers shook their heads when told of our   39 .
The first driver passed by and gave me a card with a number for me to   40  help. I was filled with   41  , but I had no choice but to lead my three sisters to a nearby place to make the   42 . Then a taxi drew up and we climbed in. The driver did not appear very friendly. Then the light streaming from his headlights showed very   43  why no taxi wanted to take us to our hotel. And I began to understand the driver’s apparently unfriendly silence — he was worried. The steep incline (斜坡) ahead was   44  with snow. The taxi slowly made its way up the hill. Suddenly, we came to a dead stop, and the driver turned to us. “Look! It is very    45  to go forward. You have to get out and walk. If I drive any further, the taxi will slide back,” he said. “Er ... can you keep your headlight on and help my elder sister? The rest of us will follow you up,” I said. The driver   46 .
We made it safely back to our hotel. Even though it   47   for the rest of the days, we could see the silver lining in the cloud(一线希望): the generous soul who helped us.
小题1:
A.protectedB.guardedC.helpedD.warned
小题2:
A.hatefulB.colorfulC.changeableD.unforgettable
小题3:
A.reasonB.timeC.trouble D.opportunity
小题4:
A.situationB.destinationC.backgroundD.information
小题5:
A.call forB.wait forC.give upD.look up
小题6:
A.confidenceB.prideC.doubtD.joy
小题7:
A.appointmentB.callC.way D.invitation
小题8:
A.clearlyB.weaklyC.UnwillinglyD.quietly
小题9:
A.chargedB.coveredC.crowdedD.provided
小题10:
A.dangerous B.possibleC.limitedD.unacceptable
小题11:
A.agreedB.admittedC.admiredD.applied
小题12:
A.shoneB.blewC.rained D.snowed
题型:多项选择题

工程师领用备件的主要类型()

A、工程借用

B、测试借用

C、维护借用

D、销售借用

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