Lift is inversely proportional to the square of the airplane’s velocity.
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If the airplane accelerates, it could not continue to keep a level flight with a constant height and keep the same angle of attack.
A. 对
B. 错
Lowering the nose can conversely increase lift.
A. 对
B. 错
The air is less dense on a hot humid day than a cool dry day.
A. 对
B. 错
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