A.ball B.flag C.light D.lamp
单项选择题Letter “G” shows that“ ()”.
A. I have a pilot on board B. I require a pilot. C. I have stopped. D. My vessel is healthy .
单项选择题Letter “H” means“()”.
A. I have a pilot on board B. I require a pilot C. I have stopped D. My vessel is healthy
单项选择题Letter “Q” means “()”.
A. Man overboard B. You are running into danger C. My vessel is healthy. D.I require a pilot.
单项选择题Mind your head .I am dropping the() now!
A. heavy line B. heaving line C. head line D. wire rope
单项选择题If the freeboard is more than 9 meters, we should rig().
A. gangway B. ladder C. pilot ladder D. gangway combined with pilot ladder