汉代的买卖契约叫“质剂”，凡买卖关系的确立，都要订定契约，一式两份，买卖双方各执其一，日后发生纠纷，则以契约为证。

英国最古老的契约形式被称为正式契约，签订这种契约的必要条件是（）

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.

在中国法制史上，“八议”最早规定在（）。

中国法制史上，确立“十恶”罪名的法典是（）。

汉代最高司法机关是（）。

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。