单项选择题
On every vessel，distress signals must be stowed（）.
A.on or near the navigating bridge B.on the flying bridge not closer than 15 feet to any bulkhead C.above the freeboard deck away from heat D.in an enclosed space below the freeboard deck away from heat
单项选择题 If you log a distress message，it must include the（）.
单项选择题 If you hear the firing of a gun at one minute intervals from another vessel，this indicates that（）.
单项选择题 If you are transmitting a distress message by radiotelephone you should（）.
