A.enforces
B.cancels
C.corrects
D.replenishes
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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
A pilot vessel on pilotage duty shall show identity lights （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
The height of a light is measured from which reference plane?（）
AFTER DROPPING THE PILOT means （）.
The Earth’s irregular heating is caused by （）.
During daylight savings time the meridian used for determining the time is located farther （）.
The distance between the surface of the water and the tidal datum is the （）.
The distance between any two meridians measured along a parallel of latitude （）.
On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.