词汇与结构The secondary flight controls, high lift devices _________ of trailing edge flaps and leading edge flaps and slats, are powered by hydraulic system B.
A. consist
B. are consisted
C. consisting
D. is consisted
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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
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