摘要

　　　预设与生成是课堂教学实践中的两个重要环节。本文将针对课堂教学中预设与生成环节存在的“过分强调预设的程序”、“生成的教学机智不足”两个问题，在分析预设与生成二者关系的基础上，尝试从“准确把握教材”，“结合学情进行科学预设”，“及时调整预设、给生成环节留下足够的时间与空间”，“合理利用认识差异、因材施教”，“灵活筛选非预设信息”五个方面提出促进有效教学的对策，以期为教师提升教学的有效性提供参考。

关键词：教学预设；  教学生成；  有效教学；  对策

ABSTRACT

Preset and implementation are two vital links in the classroom teaching practice.For preset and implementation links,the thesis will focus on"overemphasize the program on preset" and "inefficient teaching wit about implementation" two problems,based on the analysis of the relations between preset and implementation. The thesis will try to put forward effective teaching countermeasures to effective classroom teaching service from the following five aspects"grasp the teaching materials exactly";"going on reasonable preset in accordance with actual situation";“adjust presets to leave enough apace and time for preset link";"take advantage of the understanding difference reasonably and teach students in accordance with their aptitude";" screen out non preset information flexibly".

Key words: teaching Presupposition;  teaching generation;  effective   teaching;  countermeasures