优化课堂导入，提高教学有效性

The optimized classroom inducts, enhances the teaching validity

新课程标准特别强调课堂教学的有效性。对新知识的导入就显得尤为重要，设计好了就会取得事半功倍的效果。科学合理的导入可以激发学生的学习兴趣，就会把学习之苦转化为追求成功之乐，在学习中充分发挥主动性。万事开头难，一节课的导入预示着一节课的成功与否。曾经很多教师为了怎样导入而煞费心思，匠心独运处令人真正感受到何谓教学的艺术。本文是笔者在教学工作中根据许多优秀教师的经验和自己的工作实践总结的一些对新课知识导入的方法，供大家参考。

The new curriculum standard emphasizes the classroom instruction specially the validity. Inducts to the new knowledge appears especially importantly, designed well has been able to obtain the twice the result with half the effort effect. The science reasonable inducts may stimulate student＇s study interest, can transform painstakingly the study for pursues the successful unhappiness, in study full display initiative. The everything is difficult to do at the very beginning, a class inducts indicates a class success or not. How but once very many teachers in order to induct the very extreme thoughts, what displayed of creativity place truly feels teaching art. This article is the author acts according to some in the teaching work which many outstanding teachers＇ experiences and own working practice summarizes the method which inducts to the new class knowledge,for everybody reference.