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.

明市公司“原材料”总分类账户下设“甲材料”和“乙材料”两个明细账户，“原材料”总账余额为100000元，“甲材料”明细账户余额为60000元，总账和所属明细账户余额方向一致，则“乙材料”明细账户的余额为（）元。

甲公司“应收账款”总分类账户下设“A公司”和“B公司”两个明细账户，“应收账款”总账余额为10000元，“A公司”明细账户余额为3000元，总账和所属明细账账户余额方向均一致，则“B公司”明细账户的余额为（）元。

甲公司”原材料“总账账户下设”甲材料“和“已材料”两个明细账户。2009年6月末，“原材料”总账账户为借方余额450000元，“甲材料”明细账户为借方余额200000元，则“乙材料”明细账户为()

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。