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.

所谓快乐体育就是让学生在体育活动中玩得快乐。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

从心理的角度论述在体育教学中，教师在讲解与示范时应注意哪些问题？

组织幼儿体育活动时应该强调活动的节奏性，注意动静交替、急缓结合。体现了学前儿童体育教育的组织的（）原则。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

体育教育心理学主要研究目的是提高体育中的（）的效果。

教师在组织幼儿体育活动时要注意（）