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。

（）类属于常见的应用软件： ①文字处理软件 ②操作系统 ③信息管理软件 ④辅助教育软件（CAI） ⑤游戏娱乐软件 ⑥实时控制软件 ⑦数据库管理系统 ⑧辅助设计软件（CAD） ⑨信息浏览和通信软件 ⑩语言编译软件

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

信息系统是由硬件、软件、数据库、远程通信和人员组成的信息处理的统一体。建立信息系统的目的是实现信息的（）、调节和控制。