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.

游泳运动对人体的作用，谈谈你对游泳运动的认识与体会。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

学习教育统计与测量学有何意义？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

游泳运动有何意义？

开展大学生创新创业教育的意义是：（）

学习教育学知识对当好教师有何重要意义？