题目内容

词汇与结构The red warning light remains ________ until the engine parameter is reduced below the limit .

A. illuminated
B. lighten
C. brighten
D. illustrated

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词汇与结构The PMC is an ______system with limited authority over the MEC.

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

词汇与结构The electrical system is also ____ with an essential transformer rectifier.

A. fitted
B. fixed
C. matched
D. covered

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

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