A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
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A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales
A.Mercator charts／Loran charts
B.Admiralty charts／Routeing charts
C.large scale charts／small scale charts
D.small scale charts／large scale charts
A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions
A.warm front at night
B.low pressure area
C.anticyclone
D.lack of frontal activity
A.in
B.on
C.with
D.by
最新試題
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
The fog most commonly encountered at sea is called（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
Which would influence a magnetic compass（）.