ANB指令是（）指令，ORB是（）指令，与and、or指令不同。

科学技术水平的高低是衡量生产力水平高低的客观尺度。（　　）

科学技术是第一生产力，是衡量生产力发展水平的客观尺度。

领导效能的基本内容包括（）

领导行为与效能是由领导者、被领导者、环境等因素组成的复合函数。

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.

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。