A.corrections
B.publications
C.supplements
D.alterations
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A.enforces
B.cancels
C.corrects
D.replenishes
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.publications
B.notices to mariners
C.supplements
D.Annual Summary of Admiralty Notices to Mariners
A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use
A.assumed
B.appreciated
C.promised
D.permitted
最新試題
The period at high or low tide during which there is no change in the height of the water is called the （）.
A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.
The height of tide is the （）.
The Earth’s irregular heating is caused by （）.
The height of eye correction is smaller than geometrical dip because of （）.
Clearance gauges at bridges indicate （）.
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
The Earth has the shape of a(n) （）.
The distance between the surface of the water and the tidal datum is the （）.
The height of a light is measured from which reference plane?（）