（）, 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。

从具体研究对象看，现代汉语属于理论语言学的（）

教师在为学生讲解短语时，为了引导学生训练掌握情况，提问同学“累得要命”中的“要命”是哪种补语，下面学生回答正确的是（）。

（）“得”后成分是宾语。

（）“得”后成分是补语。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。