蔡元培，1917年任北京大学校长，中国近代著名（）、教育家。

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.

中国著名的古都有（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

我国著名的古都西安，城市中的主要商业街分布在（）

中国著名古都之一，西周、西汉、隋唐曾在此建都的西安，古称长安，下列哪一种名胜古迹不在西安？（）

中国著名大学科技大学位于哪一个城市？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。