【单选题】
ADS is a means for_____.___
A. control
B. communication
C. navigation
D. Surveillance
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答案
D
解析
暂无解析
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【单选题】
Before providing radar service,air traffic controllers hould______to the aircraft. ___
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【单选题】
Because of their high fuel consumption at low levels,______prefer to remain at higher altitudes when they fly. ___
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A. Engine failure
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【单选题】
The opposite meaning of“converging”is______.___
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【单选题】
Which of the following is not included in the ATC clearance? ___
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【单选题】
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【单选题】
“A575”is a name of a route.“A”means_________
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【单选题】
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【单选题】
“Deteriorating weather”means the weather is getting______.___
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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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Pilot turns on squawk______to request a squawk number. ___
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【单选题】
管制员在对空指挥过程中,越是繁忙的时候,语速应___
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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】
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】
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【单选题】
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【单选题】
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