题目内容

Wind shear can subject an aircraft to violent updrafts and downdrafts as well as ________ changes to the horizontal movement of the aircraft.

A. slow
B. dramatic
C. rapid
D. abrupt

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While wind shear can occur at any altitude, low-level wind shear is especially hazardous due to the ________of an aircraft to the ground.

A. close
B. proximity
C. approach
D. access

Low-level wind shear is commonly ________ with passing frontal systems, thunderstorms, and temperature inversions with strong upper level winds.

A. covered
B. associated
C. contacted
D. related

During a wind shear situation, the effects can be ________ or very dramatic depending on wind speed and direction of change.

A. subtle
B. little
C. noticeable
D. obvious

The ________ of a microburst is about 15 minutes during which it can produce downdrafts of up to 6,000 feet per minute.

A. time
B. range
C. lifespan
D. distance

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