单项选择题
Under the International Code of Signals how are geographical locations such as New York City transmitted（）.
A.A commonly used abbreviation such as NYC is used B.The name is spelled out C.The geographical coordinates are used D.The radio station call sign for the nearest marine radio station is used
单项选择题 The side of a ship which is farther from the winds is（）.
单项选择题 The ship which strikes any other vessel is called the（）.
单项选择题 The self-contained breathing device should not be used in which situation（）.
