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.

下列各句中，括号之前与括号中间的字属于古今字关系的有（）。

“字而幼孩”解释句中“字”。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在学习《小石潭记》时，教师要学生注意“潭西南而望，斗折蛇行”一句中“斗”的用法，并归纳同类字用法。下列句中存在此类字的用法的一项是（）。

假如某因素与某病关系的病例对照研究结果的OR值为0.3（P＜0.01），最可能的解释是（）。

下列各句中，带点的字解释错误的是( )

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。