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

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单项选择题
Sailing directions are kept up to date by （）.

A.publications
B.notices to mariners
C.supplements
D.Annual Summary of Admiralty Notices to Mariners
单项选择题
Place names used on board ships should be those （）.

A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use
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