清代考史三大家为（），分别著有《廿二史考异》、《十七史商榷》、《廿二史札记》等考史名著。

清代考史三大家为（）、（）和（），分别著有《廿二史考异》、《十七史商榷》、《廿二史札记》等考史名著。

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.

清代仿效汉族统治者预立太子的皇帝是（）。

圆明园历经了清代多少位皇帝多少年的营建才最终形成？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

清代太子服装上的主要纹样为（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。