A.in
B.on
C.with
D.by
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A.is decreased
B.decreased
C.decreases
D.are decreased
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
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The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
The Daily Memorandum contains information on（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
The fog most commonly encountered at sea is called（）.
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（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.