（）, 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 （）.

最早提出主导产业理论的学者是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

最早提出“社会学”一词的西方学者是（）

最早提出"社会医学"一词的学者是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

美国印第安大学教授（）从组织行为学的角度研究教育管理理论，提出按照古典组织理论、人际关系理论、组织行为理论来划分各个管理流派。