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。

linux操作系统使用（）命令显示内核消息。

在LINUX系统中（）命令用来查看机器当前时间。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Linux有三个查看文件的命令，若希望在查看文件内容过程中可以用光标上下移动来查看文件内容，应使用（　　）命令。