婚姻家庭的本质属性是

如何理解婚姻家庭关系的本质属性？

婚姻家庭的社会属性，是婚姻家庭的（）

婚姻家庭的社会属性，是社会制度赋予婚姻家庭的（）。

婚姻家庭的社会属性，是婚姻家庭的本质属性。具体表现为婚姻家庭的产生、形成和发展变化（　　）。

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。