单项选择题
A.required navigation lights B.lifesaving equipment standards C.casualty reporting procedures D.currents in various locations
You will find information about the duration of slack w...
单项选择题You will find information about the duration of slack water in the （）.
A.Tidal Current Tables B.Tide Tables C.American Practical Navigator D.Sailing Directions
（）amplify charted detail and contain information needed...
单项选择题（）amplify charted detail and contain information needed for safe navigation.
A.Admiralty Sailing Directions B.Admiralty List of Lights C.Admiralty List of Signals D.Admiralty Notices to Mariners
Admiralty Sailing Directions are Kept up to date by （）....
单项选择题Admiralty Sailing Directions are Kept up to date by （）.
A.corrections B.publications C.supplements D.alterations
