员工开发项目实施前和结束时分别用难度相同的测试题对受训者进行测试的方法是（）。

试题质量分析中试题难度适宜P值为（）

试题难度是否适当将测验的哪些质量指标均有影响（）。

区分度指数，试题的区分能力就越强，一般认为，区分度指数高于0.3，试题便可以被接受。

在某次护理教育学期末测试中，一道论述题满分25分，全体考生平均得分16.25分，则该题的难度指数P的值为（）

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。