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 （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（）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。

水文预报是根据前期或现时的实测和调查的水文气象资料，运用水文学、气象学、水力学的原理和方法，在研究水文现象变化规律的基础上，对某一水体、某一地区或某一水文站未来一定时间内的水文情势作出（）的预测。

水文资料是各种水文分析工作的基础，水文资料是水文测站对各项水文要素的长期观测记录。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。