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

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

单项选择题Admiralty Sailing Directions are Kept up to date by （）.

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

单项选择题Every new supplement to the Sailing Directions （） the previous one．

A.enforces
B.cancels
C.corrects
D.replenishes

单项选择题In Admiralty Sailing Directions，STRIPES is the word used to indicate （）marking.

A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal