A portion of flight specially devoted to accomplishing such thin

2024-01-18 05:25:58
维修英语2

A portion of flight specially devoted to accomplishing such things as takeoff, climb, cruise,descent or landing.这句话主要描述的是飞行阶段：即飞行中负有一定任务（如起飞、爬升、巡航、下降或着陆）的部份。

A.1

正确答案是A

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