A.Power
B.Tower
C.Cover
D.Shower
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A.Isothermal
B.Millibars
C.Isobars
D.Seismics
A.published every year and require no corrections
B.published every second year and must be corrected
C.published every five years and require no correction
D.accurate thru NM number on title page and must be corrected
A.Weekly Admiralty Notices to Mariners
B.The Mariners Handbook
C.Ocean Passages for the World
D.Symbols and Abbreviations used on Admiralty Charts，Chart 5011
A.considered
B.consulted
C.concluded
D.commanded
A.Directly under the boom
B.Moving away from the boom
C.Stopped dead in the water
D.Tied to the boom
最新試題
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
An inflatable liferaft should be manually released from its cradle by（）.
Mariners not entering the port are（）to keep at least one mile off.
A sweep oar is an oar that is（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
After launching，an inflatable raft should be kept dry inside by（）.
The Lists of Meteorological Observation Stations can be found in（）.