单项选择题
How should the number 9 be pronounced when spoken on the radiotelephone?（）.
A.NEW-MER-AL-NINER B.NUM-BER-NINE C.NO-VAY-NINER D.OK-TOH-NINE
单项选择题 I am making water means（）.
单项选择题 Land-based authority conducting and co-ordinating search and rescue operations in a designated area defines（）.
单项选择题 Moving of an anchor over the sea bottom involuntarily because it is no longer preventing the movement of the vessel defines（）.
