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 （）.

中国法制史上最后一部以“令”为名的法典为（）

中国法制史上第一部系统的行政法典是（）。

中国法制史上最后一部以刑为主、诸法合体的传统法典是（）。

中国法制史上第一部正式公布的成文法典，是郑子产所铸的（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

19世纪，德国通过高薪延揽外国优秀人才，成为世界大学的中心。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。