单项选择题
On a passenger vessel，the vessel’s name must appear on（）.
A.ring life buoy B.lifeboats C.lifeboat oars D.All of the above
单项选择题 Most lifeboats are equipped with（）.
单项选择题 Most covered lifeboats will right themselves after capsizing if the（）.
单项选择题 In launching a lifeboat，when should the tricing pendants be released?（）.
