【单选题】
高压验电应( )。 ___
A. 戴线手套
B. 穿防电弧服
C. 戴护目眼镜
D. 戴绝缘手套
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答案
D
解析
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特殊情况下，必须在恶劣天气进行带电抢修时，应组织有关人员充分讨论并编制必要的( )，经本单位批准后方可进行。___
A. 安全措施
B. 组织措施
C. 技术措施
D. 施工方案
【单选题】
继电保护装置、安全自动装置和自动化监控系统的二次回路变动时，应按经审批后的图纸进行，无用的接线应( )，防止误拆或产生寄生回路。___
A. 隔离清楚
B. 标记清楚
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进入电缆井、电缆隧道前，应先用吹风机排除浊气，再用（ ）检查井内或隧道内的易燃易爆及有毒气体的含量是否超标，并作好记录。___
A. 气体检测仪
B. 仪表
C. 小动物
D. 明火
【单选题】
330kV及以上变电站主变压器为两台 (组)及以上时，由主变压器低压侧引接的站用变台数不少于( )，并应装设一台从站外可靠电源引接的专用备用站用变.___
A. 一台
B. 二台
C. 三台
D. 四台
【单选题】
330kV及以上变电站主变压器为两台 (组)及以上时，由主变压器低压侧引接的站用变台数不少于( )，并应装设一台从站外可靠电源引接的专用备用站用变.___
A. 一台
B. 二台
C. 三台
D. 四台
【单选题】
330kV 及以上电压等级变电站及重要的220kV变电站应采用（）充电装置，两组蓄电池组的供电方式。每组蓄电池和充电装置应分别接于一段直流母线上，第三台充电装置（备用充电装置）可在两段母线之间切换，任一工作充电装置退出运行时，手动投入第三台充电装置___
A. 1台
B. 2台
C. 3台
D. 3台以上
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___He teaches physics in a school.
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— This box is too heavy for me to carry it upstairs.___
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— I wonder if I could use your computer tonight?___ I'm not using it right now.
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A. I beg your pardon?
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— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
B. Don’t mention it.
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— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
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B.
C. heer up. C. Go ahead.
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Are you feeling better today, Jack?___
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Thank you so much for your lovely gift.___
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What's the problem with your bike?___
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Hello, how are you?___
A. Hello, how are you?
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I didn't mean to do that. Please forgive me。___
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Thank you for your invitation.___
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What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
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D. Thank you.
