With satellite-based systems air traffic controllers can do their job with much greater _____.
A: proficiency
B: efficiency
C: profession
D: sufficiency
A: proficiency
B: efficiency
C: profession
D: sufficiency
举一反三
- Thanks to the _______ of air transport, everyone is free to to anywhere at any time. A: sufficiency B: deficiency C: proficiency D: efficiency
- Repetition helped moved him from basic literacy toward true __.a. proficiency b. efficciency c. sufficiency A: proficiency B: efficiency C: sufficiency
- The separation of air traffic is the responsibility of air traffic controllers, utilizing the tools at their ________.
- 7. There are many ways to increase agricultural _______ in the poorer areas of the world. A: sufficiency B: efficiency C: deficiency D: proficiency
- 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