单项选择题
A.ball B.flag C.light D.lamp
Letter “G” shows that“ ()”.A. I have a pilot on boardB....
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 .
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.