单项选择题
A. captain B. chief officer C. chief engineer D. pilot
Who is the head of a ship? （）A. Captain.B. Chief mate...
单项选择题Who is the head of a ship? （）
A. Captain. B. Chief mate. C. Bosun. D. Chief engineer.
Are you the sailor on duty?（）A. Yes, you are.B. You are...
单项选择题Are you the sailor on duty?（）
A. Yes, you are. B. You are right. C. Yes, I am. D. Not at all.
The captain of a ship can be also called （） .A.ma...
单项选择题The captain of a ship can be also called （） .
A.master B.agent C.ship owner D.pilot
