试题难度是否适当将测验的哪些质量指标均有影响（）。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

创设问题情境的原则之一是问题难度越大越好。

难度指标P值越大，测验题目越难。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。