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
A: on the air
B: in the air
C: at the air
D: of the air
举一反三
- From the control tower, air traffic controllers coordinate aircraft movement both _____________ and on the ground.
- satelliteautomatevaporin the air expansionhazardincorporate take control of lucrativemagneticget/be stuck inmountsignal bunchvibrateapproximatelycalculateapartcorrelate frequency From the control tower, air traffic controllers coordinate aircraft movement both ____ and on the ground.
- From this tower, people involved in air traffic control coordinate aircraft movement both in the air and on the ground. A: cooperation B: cooperate C: coordinate D: coordination
- People _____ in air traffic control may monitor aircraft movement in control tower.
- The separation of air traffic is the responsibility of air traffic controllers, utilizing the tools at their ________.