（）, 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 （）.

健美操是融音乐、体操、舞蹈为一体的身体练习，其中健美操的灵魂是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

科学、合理地创编徒手操或轻器械体操动作时，影响动作效果的因素有（）、（）、动作幅度、（）、（）、动作速度和（）七个技术要素。

艺术体操基本运动形式摆动性动作，（）动作是艺术体操的基本运动形式。

体操的内容分为：队列队形练习、徒手体操、轻器械体操、器械体操、专门器械体操、技巧运动、跳跃、艺术体操、实用性体操、健美体操等，是根据（）划分的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。