题目内容

_____ runways provide both horizontal and vertical guidance for instrument approaches.

A. instrument
B. visual
C. precision
D. non-precisio

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Many pieces of ground equipment operate in close_____ to the fuselage and wings.

A. distance
B. area
C. factor
D. proximity

All ground damage should be checked to ensure that any of them is within_____

A. safe ranges
B. safe limits
C. safe tolerances
D. safe conditions

Due to pressure differential between the inside and outside of an aircraft, the damaged part of the skin could_____.

A. give in
B. give way
C. give away
D. give up

Cabin depressurization necessitates a_____.

A. rapid acceleration
B. slow acceleration
C. rapid descent
D. slow descent