我国幼儿园内部领导体制的核心是（）。

结合教学实际，谈谈目前中学化学教学的现状和改革的思路。

结合教学实际，谈谈目前中学化学实验教学的现状和改革的思路。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在我国师范教育发展史上，高级中学可以设师范科是在（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

我国中小学内部领导体制改革的核心内容是（）

中学美术课教学的基本内容是什么？

中学生心理健康活动课的核心内容是（）