（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

我国历史上第一部编年通史著作是（）

公元960年，（）和其弟赵光义以及赵普等人策划（），灭后周，建北宋，都于（）。

赵普建议宋太祖对方镇“惟稍夺其权，制其钱谷，收其精兵”。对赵普策略的正确解释是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。