题目内容

词汇与结构When selecting a landing surface, the pilot should consider that a smooth, ________ runway.

A. rough
B. unimproved
C. grassy
D. hard-surface

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词汇与结构A hard surface may create sparks that can ________ fuel.

A. ignite
B. leak
C. drain
D. waste

词汇与结构If a belly landing is going to be conducted, the pilot can request that the runway surface be________.

A. washed
B. watered
C. cleaned
D. foamed

词汇与结构The pilot should consider________ excess fuel, which will reduce landing speed and fire potential.

A. holding on
B. adding to
C. burning off
D. igniting

词汇与结构If the landing gear _________ is limited to one main landing gear leg , the pilot should consume as much fuel from that side of the airplane as practicable, thereby reducing the weight of the wing on that side.

A. malfunction
B. retraction
C. extension
D. reduction