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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

认为整个世界由无机领域，有机领域和超机领域构成的学者是（）。

语言学界对山西方言的判别是有争议的，有学者认为是独立的晋方言区，也有学者认为山西方言属于北方方言区。

有学者认为：“就世界大势论，鸦片战争是不能避免的。”这里所说的“大势”主要是指（）。

中世纪欧洲学者认为，儿童是带着原罪来到这个世界上，人性是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。