题目内容

Crash landing is caused by the failure of or damage to _____ systems such as engines, hydraulics, or landing gear.

A. metal
B. petal
C. fatal
D. vital

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Touchdown should be made with the airplane at ______ controllable speed.

A. minimum
B. maximum
C. excessive
D. greatest

The proper landing attitude is _______ by the appropriate operation from the pilots.

A. retained
B. maintained
C. attained
D. contained

During landing, pilots should _______ the thrust lever to reduce speed.

A. advance
B. retard
C. push
D. pull

If the landing attitude is not proper, severe side loads will be _______ on the landing gear.

A. disposed
B. composed
C. exposed
D. imposed