在爱情实践中，我们常说的“单相思”和“一厢情愿”这种所谓的爱情行为，从本质上它违背了爱情的哪项基本特征 （ ）。

先轸成功第一次运用了一个军事思想，这个军事思想是历代兵法的基础和核心，也是我们常说的一句话，这句话的威力覆盖了几千年，请问是什么思想？

学习“思想道德修养与法律基础”课有助于当代大学生（）。

我们常说的节能灯是指紧凑型荧光灯，包括单端和自镇流荧光灯。

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。

人们常说“牌品如人品”，同样对待爱情的态度是考量人品的重要尺度，我们可以从爱情的方式中去读懂一个人。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。