_______ radar service，the radar controller should inform the pilot that he should resume normal navigation, and give him his position and appropriate instructions.
A.When terminating
B.When providing
C.To determine
D.To exercise
正确答案是A
_______ radar service，the radar controller should inform the pilot that he should resume normal navigation, and give him his position and appropriate instructions.
A.When terminating
B.When providing
C.To determine
D.To exercise
正确答案是A