词汇与结构 Control functions are also translated into flight director commands for display on the pilots’ attitude director indicators, thereby providing the pilots’ flight attitude commands during manual operation or allowing the pilots to ________ autopilot operation.

Direct flight is also called nonstop flight.

What should be noticed when booking an airplane ticket? A: The weather in the destination. B: Boarding time, departure time and landing time. C: Direct flight or non-stop flight. D: The transportation to the airport.

词汇与结构 Roughly, these ranges can be grouped in three categories: low-speed flight, _____ flight, and high-speed flight.

【多选题】During a business trip, you’re suggested to keep a positive attitude as _______. A: you might bump into a flight cancellation B: you might miss or forget something C: you might experience an unexpected delay D: your attitude may influence others around you