词汇与结构New generation aircraft are very dependent on ______ power because of the wide use of electronic flight instrument systems.
A. electrical
B. manual
C. hydraulic
D. electronic
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词汇与结构Power for passenger services is provided to ________ the cabin, to operate the entertainment system, and to prepare food.
A. warm
B. light
C. cool
D. keep
词汇与结构The DC battery bus can _______ the batteries or receive power from the batteries, as required.
A. change
B. dump
C. charge
D. drive
词汇与结构The N1 and N2 rotors are _______ independent。
A. mechanically
B. electrically
C. manually
D. technically
词汇与结构The main engine control _____ fuel to provide the thrust called for by the forward thrust lever setting.
A. delays
B. schedules
C. changes
D. selects