单项选择题
A.excellent B.bad C.fair D.good
A vessel not using a traffic separation scheme shall av...
单项选择题A vessel not using a traffic separation scheme shall avoid（）by as wide margin as practicable.
A.them B.that C.this D.it
单项选择题A vessel not using a traffic separation scheme shall avoid it by as（）as is practicable.
A.wide a place B.wide a margin C.wide enough D.wide
Two short blasts of the whistle have all of the followi...
单项选择题Two short blasts of the whistle have all of the following meanings except（）.
A.I intend to meet you starboard to starboard B.I do not intend to hold course and speed C.I intend to overtake you on your port side D.I intend to alter my course to port
