Which of the followings are the main factors leading to aviation fatigue?
A: excessive workload,poor mental and physical state
B: circadian rhythms,sleep deprivation and excessive workload
C: cabin noise,cockpit hypoxia and troubled relationships
A: excessive workload,poor mental and physical state
B: circadian rhythms,sleep deprivation and excessive workload
C: cabin noise,cockpit hypoxia and troubled relationships
举一反三
- Fatigue and high workload:（）
- Which of the following may take place if the clearance of the main bearings are excessive?（）
- Excessive mental stress is not good for the childbirth process.
- Excessive mental stress is not good for the childbirth process. A: 正确 B: 错误
- Which of the following factors is the material prerequisite for physical and mental development? A: Education B: Individual practice activities C: The environment D: Genetic factors E: Individual epigenetic factors