（）, 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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

历史学的概论性著作就具有的目的（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述普鲁士的政治学派。

德国历史学派与英国古典学派在理论上有哪些不同？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。