A.Conspicuous
B.Permanent
C.Preliminary
D.Temporary
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A.From
B.By
C.on
D.With
A.either，or
B.neither，nor
C.another，nor
D.other，or
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
A.Admiralty Sailing Directions
B.Admiralty List of Signals
C.Mariner's Handbook
D.Admiralty Notices to Mariners
A.first edition
B.new edition
C.revised edition
D.reprint
最新試題
Steam smoke will occur when（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
On the approach of a warm front the barometric pressure usually（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
The fog most commonly encountered at sea is called（）.