单项选择题
Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）
A.Ration food and water supplies B.Take anti-seasickness pills，if available C.Determine position and closest point of land D.Check pyrotechnic supplies
单项选择题 Which statement pertaining to log keeping is TRUE?（）
单项选择题 Which statement concerning the navigation of a vessel in ice is FALSE?（）
单项选择题 Which statement concerning Montauk Point Light is TRUE?（）
