A. He was angry and desperate. B. He was surprised and disappointed. C. He was discouraged, but took it calmly. D. He was hurt, but could do nothing about it.
A. 到达目的机场上空时放掉多于燃油,以便以较轻的重量着陆 B. 起飞后发生紧急情况时放掉过多燃油,以便能够返场或到备降场着陆 C. 飞行中放掉油量较多一边机翼油箱的燃油,以保持飞机横向平衡 D. 以上都对