单项选择题
A.inflate the life raft on deck
B.roll the life raft over the side
C.go to another life raft station
D.get a saw and cut the life raft free
单项选择题 Hand holds or straps on the underside of an inflatable liferaft are provided（）.
单项选择题 Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
单项选择题 Deck foam systems，designed to protect cargo areas on tankers built after January 1，1975，must have a supply of foam-producing material to operate the system at its designed rate of foam production for（）.