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.

数学史中最有影响的数学史著作是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

古典数学的开拓者（ ）被后人誉为“科学之父”和“希腊数学的鼻祖”。

古典数学的开拓者（）被后人誉为“科学之父”和希腊数学的鼻祖。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

美国数学家（）于1980年出版了著作《数学：确定性的丧失》。

（）于1758年出版的著作《数学史》是世界上第一部数学史经典著作。