【单选题】
管制员还应当对管制指令当中的不同内容进行适当的排序，相对重要的内容应当排列在管制指令的 （ ）位置___
A. 前面
B. 中间
C. 尾部
D. 以上都可以
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答案
C
解析
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【单选题】
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【单选题】
_____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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【单选题】
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【单选题】
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