对于没有顺桨机构的飞机，一旦发生停车，应该（）。

The occurrence of a stall is directly related to （ ） ．

A stall will normally result in a rapid decrease in （ ） ．

A stall is caused by the separation of airflow （ ） ．

The coefficient of lift is a way to measure lift as it relates to the （ ） ．

Anytime the pilot moves the control column fore or aft during flight, he changes （ ） ．

The two primary ways to control lift are changing （ ） ．

Angle of incidence is the angle between the chord line and a line parallel to the （ ）. This angle cannot be controlled.

Lowering the wing flaps increases the （ ） ．

If a crosswind is present during the takeoff roll, the pilot can keep the wings level by using the（ ） .

Directional control during takeoff roll is maintained with the （ ） ．