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.

当代大学生承担的历史使命是建设中国特色社会主义，实现中华民族的伟大复兴。

皖系依靠的帝国主义国家是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

北洋军阀中的直系依靠的帝国主义国家是（）。

当代大学生承担的是建设中国特色社会主义和维护祖国和平统一的历史使命。

当代大学生承担的历史使命是建设中国特色社会主义，实现中华民族的伟大复兴。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。