All the communication records between air traffic controllers and pilots shall be saved automatically for at least ( ) days
A: 10
B: 15
C: 20
D: 30
A: 10
B: 15
C: 20
D: 30
举一反三
- Questions 5 to 7 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. What lesson could be drawn from the accident A: Accurate communication is of utmost importance. B: Pilots should be able to speak several foreign languages. C: Air controllers should keep a close watch on the weather. D: Cooperation between pilots and air controllers is essential.
- The separation of air traffic is the responsibility of air traffic controllers, utilizing the tools at their ________.
- As a result ______ the air traffic controllers' strike all flights have been diverted to alternative destinations. A: with B: from C: of D: for
- 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
- In the tower, there are many air traffic controllers helping take-off and landing of the _________. A: