教育结构从横向上看，分为普通、职业、师范、高等、成人等教育。

学前儿童的游戏按认知发展水平的不同，可分为（）。

游戏可分为练习性游戏、象征性游戏、结构游戏和规则游戏，这是（）

从游戏与教学的关系来看，学前游戏可以分为本体性游戏和（）两类

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.

游戏场地对学前儿童游戏的影响体现在（）

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。