單項(xiàng)選擇題

Risk of collision exists when an approaching vessel has a(n)（）.

A.generally steady bearing and decreasing range
B.generally steady range and increasing bearing
C.increasing range and bearing
D.decreasing bearing only

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單項(xiàng)選擇題

On a gnomonic chart，a great circle track between Los Angeles and Brisbane will appear as a （）.

A.loxodromic curve
B.curved line concave to the equator
C.straight line
D.spiral approaching the poles as a limit

單項(xiàng)選擇題

Mariners proceeding across the main routes are recommended to do so at（）.

A.as wide an angle as practicable
B.as wide an angle so practicable
C.like wide an angle as practicable
D.like wide as angle so practicable

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Risk of collision exists when an approaching vessel has a(n)（）.

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On a gnomonic chart，a great circle track between Los Angeles and Brisbane will appear as a （）.

Mariners proceeding across the main routes are recommended to do so at（）.

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On a gnomonic chart，a great circle track between Los Angeles and Brisbane will appear as a （）.