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Aeroplanes can climb quickly ______A．in warm a

2022-08-01 22:21:12 问答库阅读 167 次

问题详情

Aeroplanes can climb quickly ______
A．in warm air
B．in cold air
C．when it reaches the polar region
D．only when the clouds are down low ______

正确答案：A
解析：事实细节题。第二段第一句话可知，飞机在冷空气里不如在热空气里飞的高和快。所以选A。