A.is decreased
B.decreased
C.decreases
D.are decreased
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A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B.vertical distance from the tidal datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
A.capital letters
B.italics
C.boldface print
D.underlined letters
A.conspicuous
B.inconspicuous
C.a government facility or station
D.a radio transmitter
A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
A.stop
B.to stop
C.stopping
D.stopped
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.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
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Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
On the approach of a warm front the barometric pressure usually（）.
Navigational warnings are published according to（）.
The range of a light on Admiralty Charts is normally the（）.
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（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.