单项选择题
Your ship’s certificates show that you did not do renewing work for certificate.All certificates have expired a few days before. Thus, your ship is（）. It follows therefore that she will（）
A.seaworthy； be fined in our port B.un-seaworthy； be disassembled in our port C.seaworthy； be assembled in our port D.un-seaworthy；be detained in our port
单项选择题 The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the （）
单项选择题 What is the harmful effect of sulfur in a fuel?（）
单项选择题 The flash point of a liquid refers to the temperature （）
