单项选择题
The certificate of pratique certifies that （）.
A.the ship has no rats or mice on board B.no quarantinable disease has been found on the vessel C.no person has died during the voyage the ship has just completed D.all the crew members have no health problem
单项选择题 The vessel’s Loadline Certificate is always issued by （）.
单项选择题 Official proof of a Chinese vessel’s nationality is contained in the （）.
单项选择题 A vessel used for international service shall possess （）valid for duration of charter party showing winches and derricks in order.
