教育目标源自社会的需要。基于社会的需要,本世纪初,美国教育学家安德森等修订了布卢姆教育目标分类系统,把“创造”列为认知过程最高层次的一个维度。我国亦是如此,国家教育目标之一就是“创新”。而课堂教学又是落实教育目标的重要途 Education goals stem from the needs of society. Based on the needs of the society, American educator Anderson et al revised the Bloom’s education target classification system at the beginning of this century and listed “creation ” as the highest level of cognitive process. The same is true in our country, one of the national education goals is “innovation ”. Classroom teaching is an important way to implement the education goal