單項選擇題

When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.

A.a junction with the preferred channel to the left
B.a sharp turn in the channel to the right
C.the starboard side of the channel
D.a wreck to be left on the vessel's port side

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單項選擇題

When entering a channel from seaward，the numbers on buoys（）.

A.are the same as their Light List number
B.are marked in 6 inch figures with retroreflective material
C.increase with the even numbers to starboard
D.decrease with the odd numbers to starboard

單項選擇題

When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.

A.light characteristic
B.color of the uppermost band
C.shape of an unlighted buoy
D.color of the light

When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.

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When entering a channel from seaward，the numbers on buoys（）.

When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.

When entering a channel from seaward，the numbers on buoys（）.

When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.