题目内容

词汇与结构_________ hydraulic system B fails, the trailing edge flaps can be operated electrically.

A. In the charge
B. In the event
C. In order that
D. In place of

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词汇与结构_________ certain conditions the power transfer unit automatically powers the leading edge devices

A. On
B. At
C. Over
D. Under

词汇与结构The ailerons provide roll control around the airplane’s _________ axis. The ailerons are positioned by pilots’ control wheels.

A. longitudinal
B. vertical
C. lateral
D. opposite

词汇与结构If the ailerons or spoilers are jammed, force applied to the Captain’s and the First Officer’s control wheels will _________ which system is usable and which control wheel can provide roll control.

A. check
B. identify
C. inform
D. illustrate

词汇与结构In the event of a control column jam, an override _________ allows the control columns to be physically separated.

A. equipment
B. actuator
C. mechanism
D. device