A ( ) leveling curve will significantly increase the landing distance and increase the risk of runway veer-off. At the same time, if the leveling ( ) tends to lead to low energy of the aircraft, the aircraft is more likely to be influenced by the cross wind and deflected to the downwind side in the small speed condition, bringing the risk of runway departure.
A.Too high; too low B.Too high; too high C.Too low; too high D.Too low; too low正确答案B