单项选择题
A right-handed propeller will cause the survival craft to（）.
A.walk the stern to starboard in reverse B.walk the stern to port in reverse C.run faster than a lefe-handed propeller D.right itself if capsized
单项选择题 A sea anchor is（）.
单项选择题 A self-contained breathing apparatus is used to（）.
单项选择题 A set of interior steps on a ship leading up a deck from below is known as（）.
