A.falls
B.rises
C.is steady
D.is unreliable
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A.true directions
B.compass error
C.deviation
D.magnetic directions
A.the designed area
B.the designated area
C.the indicated area
D.all area over the world
A.Notices to Mariners
B.Sailing Directions
C.List of Lights and Signals
D.Guide to Port Entries
A.GL WNG
B.GEN SYN
C.STM WNG
D.TY WNG
A.GALE WARNING
B.24 HOURS FORECAST
C.GENERAL SITUATION
D.TROPICAL CYCLONE WARNING
最新試題
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
The height of a tide can be increased by（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
The fog most commonly encountered at sea is called（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
Navigational warnings are published according to（）.
The Daily Memorandum contains information on（）.
The range of a light on Admiralty Charts is normally the（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.