单项选择题
A.underway but not making way B.making way，not under command C.not under command，not making way D.trolling underway
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
Which vessel，when anchored at night，is NOT required to ...
单项选择题Which vessel，when anchored at night，is NOT required to show anchor lights?（）.
A.A power-driven vessel B.A vessel engaged on pilotage duty C.A vessel dredging D.A vessel restricted in her ability to maneuver
While underway，in fog，you hear a whistle signal of one ...
单项选择题While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel（）.
A.not under command B.being towed C.on pilotage duty D.aground
