在航空活动中，导致疲劳的三个主要因素是什么？ In aviation activities, what are the three major factors that lead to fatigue?
A.昼夜生物节律扰乱、睡眠缺失以及工作负荷过大 Circadian rhythm disturbance, lack of sleep and work overload
B.工作负荷过大、心理状态差、身体状态不好 Excessive work load, bad mental state, physical condition is NOT good
C.座舱噪音、座舱缺氧、人际关系不良 Cabin noise, cockpit hypoxia, interpersonal relationship
正确答案是A