【判断题】
在变形场中，当等温线与膨胀轴的交角小于450时有利于锋生，当大于450时有利于锋消。
A. 对
B. 错
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答案
A
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【单选题】
When somebody is reported hurt on board,maybe it will need______assistance on arrival. ___
A. fire-cart
B. medical
C. police
D. wheelchair
【单选题】
In emergency descent procedure,the pilot should turn right______out of the route while descending. ___
A. 40°
B. 30°
C. 20器
D. 15°
【单选题】
管制员在对空指挥过程中，越是繁忙的时候，语速应___
A. 保持平稳，避免频繁重复指令
B. 尽量快些，才能指挥更多飞机
C. 降低语速，避免口误
D. 时快时慢，引起机组的注意
【单选题】
According to ICAO,a standard holding pattern should all turn to the______.___
A. right
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C. left
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【单选题】
The standard altimeter setting is______inhpa. ___
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【单选题】
2500f/m rate of vertical speed is equal to______.___
A. 10m/s
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【单选题】
陆空通话时，什么时候推荐使用“IMMEDIATELY（立即）”这个词：___
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【单选题】
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【单选题】
Aeronautical chart is divided into two categories,______. ___
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【单选题】
Aircraft are required to comply with ATC instructions within______.___
A. advisory airspace
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【单选题】
Amendments to the initial clearance will be issued at anytime an air traffic controller deems such action necessary to______.___
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【单选题】
研究表明，当耳机话筒的位置距离嘴（ ）英寸且稍微偏下时，传输的声音质量最佳。（注：1英寸=2.54CM）___
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【单选题】
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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 _______ .___
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【单选题】
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_____means the level is measured in 1013.2 pha___
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An aircraft known or believed to be in a state of emergency should be given______over other aircraft.___
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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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