单项选择题

How is the intensity of a light expressed in the Light Lists?（）.

A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range

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From your position you observe a rotating white and green light to the north. This light is most likely（）.

A.from a submarine on the surface
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Fishing stake，the position of which frequently（），exist in the area covered by this chart.

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Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.

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B.always be nearer to the elevated pole
C.be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere
D.be nearer to the pole or the equator depending on the latitudes of the arrival and departure positions