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
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相关考题
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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 -
单项选择题
While steaming slowly in the harbor，no ship is （） to exceed the speed limited．
A.assumed
B.appreciated
C.promised
D.permitted
