A.true directions
B.compass error
C.deviation
D.magnetic directions
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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
A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
最新試題
The Daily Memorandum contains information on（）.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
On the approach of a warm front the barometric pressure usually（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.