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.

课堂教学使用现代教育技术的目的是实现教学过程的最优化，提高课堂教学效率。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在包豪斯学院里对创建现代设计基础教学很有贡献的人是（）和（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列属于教学的一个基本单位，指在一定的时间内，教师和学生相互作用达到教学目的是（）

（）是教学的一个基本的单位，指在一定的时问内，教师和学生相互作用达到教学目的。