（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

WIN98的”桌面”指()

找出以下属于网络操作系统的名称（）
①.WIN98
②.WIN2000PRO
③.WIN2000SERVER
④.WINXP
⑤.WIN2003
⑥.LINUX
⑦.NETWARE
⑧.UNIX

WIN98属于应用软件。

WIN98操作系统是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

WIN NT中安装在工作站上的操作系统可由WIN95/98来代替。

开始菜单包含了WIN98的全部功能。（）