题目内容

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

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

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

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

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

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

_____ 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

下列关于灰土和三合土的描述错误的是( )。

A. 消石灰粉与黏土、水泥等搅拌合夯实成三合土
B. 石灰改善了黏土的可塑性
C. 灰土和三合土的强度得到改善
D. 灰土和三合土可应用于建筑基础

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