单项选择题

The Sailing Directions contain information on （）.

A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations

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单项选择题

A.Tidal Current Tables
B.Tide Tables
C.American Practical Navigator
D.Sailing Directions

单项选择题

A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners

单项选择题

A.corrections
B.publications
C.supplements
D.alterations