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單項(xiàng)選擇題

Periodic publications notifying changes in，or additions to，previously published navigational data are（）.

A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners

單項(xiàng)選擇題

On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.

A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway

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RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.

你可能感興趣的試題

Periodic publications notifying changes in，or additions to，previously published navigational data are（）.

On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.

Periodic publications notifying changes in，or additions to，previously published navigational data are（）.