单项选择题
（）day，pilot flag should be displayed from main mast．
A.From
B.By
C.on
D.With
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相关考题
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单项选择题
The heights and soundings of Admiralty chart are expressed（）in Fathoms（）in Meters．
A.either，or
B.neither，nor
C.another，nor
D.other，or -
单项选择题
（）is not contained in the NM Weekly.
A.Amendments to Admiralty Sailing Directions
B.Amendments to Admiralty List of Lights and Fog Signals
C.Amendments to Admiralty List of Radio Signals
D.Supplement to Guide to Port Entry -
单项选择题
（）are published for the correction of Admiralty Charts．
A.Admiralty Sailing Directions
B.Admiralty List of Signals
C.Mariner's Handbook
D.Admiralty Notices to Mariners
