A.lower low water
B.high water
C.low water
D.sea level
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A.Admiralty Notices to Mariners
B.Mariner's Handbook
C.Catalogue
D.Sailing Directions
A.referred to
B.appreciated
C.met with
D.concerned
A.considered
B.insured
C.relied upon
D.suspected
A.to agree upon
B.in accordance with
C.to be same as
D.to agree with
A.shifted
B.removed
C.changed
D.altered
最新試題
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
In revised editions of Admiralty charts the（）are corrected first．
Weekly NMs are available without subscription from appointed（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
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．
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Navigational warnings are published according to（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.