• 2022-06-05
    词汇与结构When aircraft are under radar control, air traffic controllers may replace some or all of these phases of the approach with radar____.
    A: guidance
    B: services
    C: vectors
    D: controls
  • C

    内容

    • 0

      Air traffic control provides traffic ______ services to the aircraft on a time permitting basis.

    • 1

      From the control tower, air traffic controllers coordinate aircraft movement both _____________ and on the ground.

    • 2

      4. From the control tower, air traffic controllers coordinate aircraft movement both ________ and on the ground. A: on the air B: in the air C: at the air D: of the air

    • 3

      Air traffic controllers have the same responsibilities to aircraft operating under the different sets of rules.

    • 4

      People _____ in air traffic control may monitor aircraft movement in control tower.