在学前教育研究中，设计新型的幼儿教具和玩具、研制学前教育计算机软件属于（）。

联系实际，谈谈如何贯彻学前游戏教育实施的教育性原则。

下列有关学前儿童游戏与学前教育的关系表述正确的是（）

下列有关学前儿童游戏与学前教育的关系表述正确的是（）

下列有关学前儿童游戏与学前教育的关系表述正确的是（）。

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。