这就是说，十六国的开始和结束都是在（）。

秦始皇统一六国之后，政治上的大一统和文化专制主义开始出现。

工作最早开始时间是指该工作可以开始的最早时间，在此时间前，它的所有紧后工作都必须结束。（）

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。

台湾大学联考制度结束，实施多元入学方案，请问开始于哪一年？

（）在项目中的生命周期是在项目建设竣工验收、交付使用开始，到投资合同结束或项目消亡为止。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。