超星 - Lesson 16 词汇与结构 - 查题吧

单选题

_______ is a sudden, drastic change in wind speed and/or wind direction over a small area. (P241)

A. Wind shear
B. Turbulence
C. Thunderstorm
D. Lightning

单选题

Thunderstorms produce some of the most dangerous weather elements in aviation, and you should avoid _____ them.

A. penetrating
B. to penetrate
C. penetrate
D. penetrated

单选题

There are three conditions necessary to create a thunderstorm: air that has a ______ towards instability, some type of lifting action, and relatively high moisture.

A. tendency
B. attendance
C. expectation
D. anticipation

单选题

There are three conditions necessary to create a thunderstorm: air that has a tendency towards _______, some type of lifting action, and relatively high moisture content.

A. inability
B. instability
C. stability
D. unstable

单选题

Thunderstorms progress three definite stages: cumulus stage, mature stage and _______ stage.

A. dispersing
B. dispelling
C. dissipating
D. dispatching

单选题

When conditions permit, you should ______ thunderstorms.

A. avitate
B. navigate
C. communicate
D. curcumnavigate

单选题

When the crew determines circumnavigate is possible, they merely _______ course to take them around storm.

A. alter
B. altar
C. after
D. offer

单选题

When the crew determines circumnavigate is possible, they merely alter course to take them ________ storm.

A. around
B. above
C. off
D. on

单选题

______ refers to any form of water particles that form in atmosphere and fall to the ground.

A. Precipitation
B. Anticipation
C. Expectation
D. Computation

单选题

_____ is an aviation flight category that describes weather conditions that require pilots to fly primarily by reference to instruments and therefore under Instrument Flight Rule.

A. IMC
B. VMC
C. FIR
D. VFR

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