单选题
Which statement below is not true?
A
The phrase “take off” is used only in takeoff clearance or in cancellation of takeoff clearance
B
An ATC route clearance serves as an authorization for line-up or takeoff maneuvers
C
The word “departure” or “airborne” is used in instructions other than takeoff clearances
D
The phrase “take off “is not used in an ATC route clearance
答案解析
正确答案:B
