单项选择题
A.keep a line from fraying B.join lines of unequal size C.stop off a line D.shorten a line
A sextant having an index error that is off the arc has...
单项选择题A sextant having an index error that is off the arc has a（）.
A.positive correction B.dip error C.negative correction D.semidiameter error
A DECK，SPACE，AREA，ETC.，NOT PERMITTED TO BE ENTERED FOR ...
单项选择题A DECK，SPACE，AREA，ETC.，NOT PERMITTED TO BE ENTERED FOR SAFETY REASONS defines（）.
A.Restricted area B.Closed area C.Prohibited place D.Forbidden place
The Vessel is fully fitted with cargo（）.A.beatsB.beasts...
单项选择题The Vessel is fully fitted with cargo（）.
A.beats B.beasts C.bacons D.battens
