关于估价对象状况描述的说法，正确的是( )。(2012年试题)

在使用机械打卡器时，它的缺点是无法获知运动员打卡的正确顺序。

对针孔打卡器的正确描述是（） 

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。

下列对中世纪西欧大学的描述正确的是下列哪一项（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列对中世纪西欧大学的描述正确的是下列哪一项（）