词汇与结构Thrust is set by______ the thrust levers.
A. positioning
B. lowering
C. starting
D. checking
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词汇与结构The thrust levers are positioned automatically by the auto-throttle system or ______ by the flight crew.
A. manually
B. artificially
C. automatically
D. synthetically
词汇与结构With the PMCs ON or OFF, advancing the thrust levers full forward provides some over-boost and should be considered only during emergency situations when all other available actions have _______ and terrain contact is imminent.
A. been taken
B. taking
C. taken
D. take
词汇与结构Certain engine malfunctions can _______ airframe vibrations from the windmilling engine.
A. result from
B. result in
C. derive from
D. derive for
词汇与结构In general, airframe vibrations can best be reduced by descending and ______ airspeed.
A. reducing
B. increasing
C. decreasing
D. adding