题目内容

词汇与结构After_____ (the safe takeoff speed) is called, the speed must be maintained after an engine failure to meet performance targets for rate of climb and angle of climb.

A. V1
B. Vy
C. V2
D. Vr

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词汇与结构In a single-engine or light twin-engine aircraft, the pilot calculates the length of runway required to take off and clear any _______, to ensure sufficient runway to use for takeoff.

A. obstacles
B. constructions
C. instructions
D. occurrence

词汇与结构A safety margin can be added to provide the option to stop on the runway in case of a _______ takeoff.

A. failed
B. unsuccessful
C. headwind
D. rejected

词汇与结构In most such aircraft, any engine failure results in a rejected takeoff as a matter of course, since even ______ the end of the runway is preferable to lifting off with insufficient power to maintain flight.

A. passing
B. skidding off
C. overrunning
D. missing

词汇与结构If an obstacle needs to be cleared, the pilot climbs at the speed for ______ climb angle (Vx), which results in the greatest altitude gain per unit of horizontal distance traveled.

A. maximum
B. minimum
C. best
D. positive

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