单项选择题
I have altered course to 245 degrees for（）.
A.identify B.identifier C.identity D.identification
单项选择题 I have（）you on my radar.
单项选择题 How long must the GMDSS radio log be retained on board?（）
单项选择题 How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）
