单项选择题
An inflatable liferaft is hand-launched by（）.
A.pulling a cord B.cutting the wire restraining bands C.removing the rubber packing strip D.throwing the entire container overboard
单项选择题 An inflatable liferaft can be launched by（）.
单项选择题 All lifeboats，rescue boats，and rigid-type liferafts shall be stripped，cleaned，and thoroughly overhauled at least once every（）.
单项选择题 After you have thrown the liferaft and stowage container into the water，you inflate the liferaft by（）.
