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。

第一代电子计算机逻辑部件主要由（）组装而成。 第二代电子计算机逻辑部件主要由（）组装而成。 第三代电子计算机逻辑部件主要由（）组装而成。 第四代电子计算机逻辑部件主要由（）组装而成。

用复利法计算第n期期末终值的计算公式为（）。

用复利法计算第n期期末终值的计算公式为( )。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。