（）, 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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

句子内部的语法结构、词语搭配、指代关系、句子的信息展开方式等，属于语篇的宏观组织结构。

请举一个实例说明品质标志、数量标志、质量指标、数量指标之间有怎样的区别与联系。

（）记忆是运用语言所必需的记忆，它是一个心理词库，是一个人所掌握的有关字词或其他语言符号、其意义和指代物、它们之间的联系、以及有关规则、公式和操纵这些符号、概念和关系的算法的有组织知识。

成语中把什么花短暂开放指代美好的事物出现的时间很短？