单项选择题
An inflation life raft is thrown into the water from a sinking vessel, what occurs automatically after the painter trips the C02 bottles to inflate the raft?（）.
A.The sea anchor deploys B.The floor inflates C.If upside down, the craft rights itself D.The painter detaches from the raft
单项选择题 An inflation life raft should be lifed back aboard the ship by using（）.
单项选择题 An inflatable liferaft should be manually released from its cradle by（）.
单项选择题 An on-load release system on a survival craft means the cable can be released（）.
