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.

下列选项中哪一项不是教育科学研究的基本方法?()

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列哪一项不是教育心理学研究的主要方法?（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

杜威的进步主义教育思想

进步主义教育家杜威的教育著作是()

杜威是第一个把进步主义教育和（）哲学联系起来的代表人物，他的第一本著作（）反应了进步主义教育思想。