“当且仅当p，则q”与“要么p，要么q”这两个判断形式包含着（ ）。

在逻辑方阵中，两个命题是蕴涵关系，当且仅当，它们同时满足的条件是（）。

在逻辑方阵中，两个命题是蕴涵关系，当且仅当，它们同时满足的条件是（）。

在Excel2003中，假定单元格B2和B3的值分别为5和10，则公式=OR（B2>5，B3>=8）的值为（）。

文法G产生的语言是无穷的，当且仅当文法是递归的。（ ）

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。