评价中心技术是一种以测评（）为中心的评价活动。

在领导活动中，领导者与被领导者之间的关系是一种（）的关系。

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（）.

政治领导以政治权力作为后盾和保障，具有特殊的权威性。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

科学技术信息分析主要是在科学技术领域进行的（），这种活动与科技活动有着密切的关系。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。