单项选择题
A long splice in a line（）.
A.is used in running rigging B.doubles the size of the line C.is only used on fiber rope D.is very weak
单项选择题 A hook that will release quickly is a（）.
单项选择题 （）should not be considered as components as fire installations.
单项选择题 （） is not the information necessary for the master to obtain guidance as to the stability of the ship.
