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 （）.

新陈代谢论是（）提出的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在中国历史上第一次提出刑法平等的是谁？

新陈代谢论是谁提出的？（）

文化中国论是谁提出的（）

首先提出“国民经济学的生理方法”，即历史方法的是谁（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。