A、 N56
B、 N256
C、 N356
D、 N7356
答案:空
A、 N56
B、 N256
C、 N356
D、 N7356
答案:空
A. stars in the sky
B. standard traffic circuit
C. standard terminal arrival route
D. standard time of arrival
A. encounter
B. anticipate
C. clear of
D. release
A. sound like standard
B. reduce transmission time
C. avoid misunderstanding
D. have a private language
A. control van
B. fire service
C. maintenance service
D. tug
A. 20
B. 30
C. 45
D. 60
A. way
B. course
C. path
D. line
A. one mile
B. one and one half mile
C. two miles
D. four miles
A. 600
B. 800
C. 1000
D. 1200
A. taxi
B. move
C. proceed
D. leave
A. longitudinally
B. vertically
C. by time
D. one behind the other