A.Maritime Safety Information
B.Maritime Shipping Index
C.Maritime Satellite Indicator
D.Mariner Safety Intelligence
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A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
A.longitudinally
B.vertically
C.transversely
D.intermittently
A.between sunset and sunrise
B.only between 8 AM and 4 PM
C.during daylight hours in any visibility
D.during daylight hours in unrestricted visibility only
A.one zone to the east
B.one zone to the west
C.two zones to the east
D.two zones to the west
A.left in the sunlight
B.stowed wet
C.washed with soap
D.folded frequently
最新試題
Chronometer error may be found by（）.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Clouds with the prefix “nimbo” in their name（）.
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）
Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.
Day-shapes must be displayed（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.