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单选题
Which of the following is not true?
A
With flaps extended, a relatively large amount of lift will always be produced for a small increase in drag
B
A significant increase in drag will occur for a relatively small increase in lift when the flaps extend approximately beyond the midpoint
C
Most manufacturers limit the takeoff setting to half flaps or less due to large increase in drag beyond the half-flap position
D
A relatively large increase in lift will occur for a small increase in drag before the flap extension reaches the midpoint
答案解析
正确答案：A
