单项选择题
The ship which strikes any other vessel is called the（）.
A.Ship in the wrong B.Responsible vessel C.Vessel to be responsible D.Wrong ship
单项选择题 The self-contained breathing device should not be used in which situation（）.
单项选择题 The rescuer can best provide an airtight seal during mouth-to-mouth resuscitation by pinching the victim’s nostrils and（）.
单项选择题 The key to rescuing a man overboard is（）.
