A.They mark the limits of breakers in that area
B.These lines warn the mariner of submerged rocks
C.They mark the boundary lines of fish trap areas
D.These lines warn the mariner of submerged pipelines
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A.Fleet Guides
B.Notice to Mariners
C.Sailing Directions
D.Pilot Charts
A.Monday
B.Tuesday
C.Wednesday
D.Thursday
A.Admiralty Distributors
B.Admiralty Publication House
C.United Kingdom Hydrographic Office
D.UK Maritime & Coastguard Agency
A.Prohibit to anchor
B.Prohibited to anchor
C.Prohibited from anchor
D.Prohibited from anchoring
A.nominal range
B.luminous range
C.geographical range
D.visible range
最新試題
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Steam smoke will occur when（）.
The height of a tide can be increased by（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
Which would influence a magnetic compass（）.
RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description 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（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.
In revised editions of Admiralty charts the（）are corrected first．
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（）.