OR指令的作用是: 。( )

执行规范是提供优质服务的基础，是企业优质服务的出发点。（）

标准化服务只是优质服务的下限，个性化服务才是优质服务的上限。

在党委统一领导下，发挥政府在规划制定、政策引导、资金投入、公共服务、监督管理等方面的主导作用，发挥政府、社区居委会、民间组织、驻社区单位、企业及个人在社区服务中的作用，是坚持社区服务（）原则的体现。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

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。