欧洲在奴隶社会有两类教育体系，它们是（）和（）；在欧洲封建社会也有两种教育体系，它们是（）和（）。

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.

学前教育理论可以分为学前教育的科学理论、哲学理论和（）。

按自变量的多少划分，学前教育实验可分为（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

学前教育评价按评价的基准可以分为（）

学前教育评价按评价的时间和作用可以分为（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。