【单选题】
电气化铁路附近发生火灾时，必须立即通知车站值班员、列车（供电）调度员或___值班人员。
A. 电务段
B. 机务段
C. 接触网工区
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答案
C
解析
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【单选题】
发现牵引供电设备断线及其部件损坏，或发现牵引供电设备上挂有线头、绳索、塑料布或脱落搭接等异物，均不得与之接触，应立即通知附近车站，在牵引供电设备检修人员到达未采取措施前，任何人员均应距已断线或异物处所___m以外。
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【单选题】
绝缘靴、绝缘手套等安全用品，应___进行一次绝缘耐压试验，并存放在阴凉干燥、防尘处所，使用前用干布擦拭，并进行外观检查，发现有漏气、裂损等现象禁止使用。
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【单选题】
机车乘务员在列车站停或区间停车下车检查机车走行部或处理故障时，必须密切注意邻线过往列车，遇邻线列车通过时，不准在列车的___作业、行走或停留。
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【单选题】
电力机车运行中发生故障需要登机车顶部检查弓网状态或处理故障时，乘务员应断开主断路器，降下受电弓，向车站值班员、供电调度员申请办理___，接到停电命令后，穿戴好防护用具、验电和挂好接地线，方准进行。
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【单选题】
When pilot say“Did you pick it upon your screen?”,that means______.___
A. did you pick up your screen?
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【单选题】
ATC clearance does not contain______.___
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【单选题】
When pilot sets an altimeter setting to a QNH,that will indicate_________
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When pilots set a pressure of 29.92 in mercury to indicate_________
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【单选题】
“MAYDAY” is the international RTF______signal.___
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【单选题】
According to ICAO definition, a condition concerning the safety of an aircraft or other vehicle or of some person on board or within sight but which does not require immediate assistance is _______ .___
A. urgency
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【单选题】
______is the accepted standard for worldwide time signal broadcast used for aviation.___
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_____means the level is measured in 1013.2 pha___
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【单选题】
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【单选题】
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【单选题】
Traffic information should include_________
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【单选题】
The altimeter setting used in en-route flight should be______hpa___
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【单选题】
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_______is air traffic control service for controlled flights in control areas___
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【单选题】
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【单选题】
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【单选题】
SIGMET is a weather advisory issued concerning weather______to the safety of all aircraft.___
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【单选题】
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【单选题】
Air traffic means all aircraft in flight or operating on the______of an aerodrome.___
A. highway
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【单选题】
The true airspeed is the airspeed of an aircraft relative to______air.___
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【单选题】
Air speed is the speed of an aircraft relative to its surrounding______.___
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【单选题】
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【单选题】
If the radar receiver detects the retarding time tR＝500mS between transmitting pulse and receiving pulse,now the target is______km from the radar station.___
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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