新课程提出了“预设”与“生成”的概念,并对二者的关系作了系统的界定,然而在实际教学中,合理把握预设与生成的关系并非一件容易的事,预设的“度”直接决定了生成的“效”。而对于预设的“度”的把握,必然对教师的教育智慧和调控技巧提出新的考验。很多老师在预设教学时做了大量细致入微的工作,方方面面都考虑得十分周全,甚至连课堂上有可能出现的每一个细节和学生有可能得出的每一个答案都做了精心预 The new curriculum proposed the concepts of “preset” and “generated”, and systematically defined the relationship between the two. However, it is not easy to reasonably grasp the relationship between the preset and the generation in the actual teaching Things, the default “degree ” directly determines the generated “effect ”. As for the presupposition of “degree”, it is bound to put forward new tests to teachers’ educational wisdom and regulation skills. Many teachers do a great deal of nuanced work in pre-setting teaching. They are well thought out in all aspects. Even every detail that may arise in the classroom and every possible answer that the student may have had is meticulously prepared