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.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

每个封建王朝的皇帝死后都有陵墓，唯独元朝皇帝没有留下一座陵墓。

每个封建王朝的皇帝死后都有陵墓，唯独元朝皇帝没有留下一座陵墓。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

谈谈你对南方石窟艺术的瑰宝——大足石刻的了解和认识。