单项选择题
A. I have a pilot on board B. I require a pilot. C. I have stopped. D. My vessel is healthy .
Letter “H” means“（）”.A. I have a pilot on boardB. I req...
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
Letter “Q” means “（）”.A. Man overboardB. You are runnin...
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.
Mind your head .I am dropping the（） now!A. heavy lineB....
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
