题目内容

词汇与结构Fuel is ______ under pressure from fuel pumps located in the fuel tanks.

A. pushed
B. delivered
C. brought
D. imported

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词汇与结构Fuel automatically ________ the filter if the filter becomes saturated.

A. bypasses
B. passes
C. goes through
D. reaches

词汇与结构As the fuel leaves the second stage pump, a portion of the fuel is ______ to run the hydro-mechanical portion of the MEC.

A. divided
B. dived
C. divorced
D. diverted

词汇与结构The APU is used to provide electrical power and bleed air on the ground or ______ a certain altitude in the air.

A. below
B. over
C. on
D. under

词汇与结构If there is an engine failure in flight, APU can be started within the _______ limit.

A. altitude
B. attitude
C. height
D. speed