结合广大教师板书教学的实践经验来考虑,我们觉得,一幅好的板书在内涵上应当具有如下三个特点: 真。真即真实,也就是板书要确切地反映构成教材内容的各个要素,以及这些要素之间的内在联系(教材本身具有的客观规律性),而不能有所偏失或虚假。真实,是教材内容科学性的体现,也是板书的教学功能或使用价值之所在。因此,我们不妨说真实性是设计板书的最基本的原则或要求。应当指出的是,板书是教师对教材内容的合目的性的书面反映。在这个反映中,教师不是消极地、简单地复现教材,而是按照自己的审美认识,极力将自己对教材的理解和结论渗透到板书中去。可见,在板书设计过程中,教师是诸因素(教 Considering the practical experience of the majority of teachers in writing teaching, we think that a good writing writing should have the following three characteristics in terms of connotation: True or true, that is, the book should accurately reflect the various elements that constitute the content of the textbook, as well as the intrinsic relationship between these elements (the objective laws of the textbook itself), but not be biased or false. True, is the embodiment of the scientific content of teaching materials, but also the teaching function or value of the blackboard lies. Therefore, we may as well say that authenticity is the most basic principle or requirement for the design of a writing board. It should be noted that the writing of a blackboard is a written reflection by the teacher of the properness of the contents of the textbook. In this reflection, instead of reproducing the textbook negatively and simply, the teacher tries hard to infiltrate his understanding and conclusion of the textbook into the writing according to his own aesthetic understanding. Can be seen in the design process of the board, teachers are all factors (teach