（）, 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.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

社会学成为一个独立学科后，始终是以社会调查研究所取得的经验知识作为学科发展的基础。这是社会学的（　　）。

（）作为世界上第一个社会学教授，明确将社会学的研究对象界定为独立的客观存在物——社会事实，为社会学成为一门真正独立的学科奠定了最坚实的基础。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。