题目内容

The most significant visual cue is ______.

A. mountain
B. river
C. landmarks
D. horizon

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The internal cue of attitude is provided by ______.

A. altimeter
B. TCAS
C. HSI
D. ADI

The basic traffic avoidance principle of flying under VFR is ______.

A. rely on instruments
B. see and avoid
C. TCAS
D. slow down

Thunderstorms typically _______ many severe weather hazards.

A. maintain
B. retain
C. contain
D. obtain

Since most individual thunderstorm cells are about five to ten miles in diameter, ______ would not appreciably add to either the time or distance of the flight.

A. overflying
B. diverting
C. penetrating
D. detouring