单项选择题
A Certificate of Inspection issued to a small passenger vessel describes（）.
A.the mimimum fire extinguishing equipment，lifejackets，survival and rescue craft she must carry B.the name of the managing operator C.any special conditions or restrictions on her operation D.All the above
单项选择题 A carburetor is required to have a safety device called a(n)（）.
单项选择题 A carbon dioxide fire extinguisher should be recharged（）.
单项选择题 The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.
