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.

商鞅变法是商鞅在秦国实施的改革，对战国末年秦国的崛起，发挥了重要的作用。商鞅变法的时间是：（）

秦国的商鞅变法

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

商鞅变法是战国时期最大的变法。他的变法措施中体现了（）

商鞅变法是我国战国时期效果最显著的变法。下列选项属于该变法内容的是（）

战国时期，各诸侯国纷纷掀起变法运动，曾在秦国进行变法的是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。