题目内容

词汇与结构If electrical power is absolutely essential for the flight, an attempt may be made to identify and isolate the ______ circuit.

A. faulty
B. unstable
C. right
D. specified

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词汇与结构The function of the electrical system on a large transport aircraft is to generate, regulate, and distribute ________ power throughout the aircraft.

A. electrical
B. manual
C. electronic
D. mechanical

词汇与结构Electrical power is used to _______aircraft flight instruments, essential systems, and passenger services.

A. operate
B. carry
C. drive
D. host

词汇与结构The hydraulic power to drive the emergency electrical generator is provided by a ram air turbine located in the belly fairing, which extends in case of severe electrical or hydraulic ________.

A. results
B. failures
C. operations
D. works

词汇与结构Both main generators and the APU generator are _____by their associated pushbutton switch.

A. managed
B. controlled
C. released
D. motivated