单项选择题
The Master to prosecute all voyages with the utmost（）and to render customary assistance with the Vessel’s Crew.
A.fastness B.speeding C.swiftness D.dispatch
单项选择题 The major components which determine the length of a catenary in a deployed anchor cable are water depth，cable weight，and（）.
单项选择题 The litter on a ship must be able to（）.
单项选择题 The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.
