单项选择题
Inflatable liferafts are less maneuverable than lifeboats due to their（）.
A.shape B.shallow draft C.large sail area D.All of the above
单项选择题 In which situation could a vessel most easily capsize?（）
单项选择题 In heavy seas you decide to heave to. The lifeboat should be（）.
单项选择题 In heavy seas the helmsman should steer the motor lifeboat（）.
