早在公元前3000多年前，埃及就发明了文字。埃及最早的文字实际上是（）。

3000多年前犹太人的祖先是（）。

“丝绸之路”始于我国古代3000多年前。

永州是一座具有3000多年历史的古城。

《历史的窗纸》是孟超史论性杂文的代表作，它从一个大学招考的历史试题谈起。

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。