（）, 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 （）.

第一个把心理学定义为行为科学的人是（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

第一个提到愉悦地活着概念与关注心理健康的人是Maslow。

在马克思主义民族理论发展史上，提出第一个完整的科学的民族定义的人是（）。

中国有发达的科学技术，却没有出现现代科学，提出这个问题的人是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。