题目内容

词汇与结构Flap 15 is normally limited to airports _________ approach climb performance is a factor.

A. where
B. when
C. which
D. that

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词汇与结构__________ excessive structural loads from increased Mach at higher altitude, flap extension above 20,000 feet should not be attempted.

A. To reduce
B. To protect
C. To prevent
D. To eliminate

词汇与结构Runway length and conditions must be taken into account when _________ a landing flap position.

A. choosing
B. making
C. selecting
D. planning

词汇与结构When higher forces are required to generate sufficient elevator control to flare for landing, stabilizer trim is available to _________ the sustained control column force.

A. counteract
B. compensate
C. replace
D. eliminate

词汇与结构If the ailerons or spoilers are _________, force applied to the Captain’s and the First Officer’s control wheels will identify which system, ailerons or spoilers, is usable.

A. blew
B. jammed
C. displaced
D. aborted