单项选择题
CAN YOU BEACH means（）.
A.can you go to the beach B.can you run the vessel upon a beach to prevent its sinking in deep water C.can you handle the vessel along the beach D.can berth along the beach
单项选择题 Can you（）survivors?
单项选择题 AVAST means（）.
单项选择题 A SEA ROOM TO BE KEPT FOR SAFETY AROUND A VESSEL，ROCK，PLATFORM，ETC.，OR THE PLACE ASSIGNED TO A VESSEL WHEN ANCHORED OR LYING ALONGSIDE A PIER，ETC means（）.
