板书教学是充分体现“以教师为主导”思想的教学手段之一。教师用一系列的文字、符号和图像，直观而具体地展示教材内容，突出重点难点，揭示概念间的关系，再附以必要的讲解，便可以“传道、授业、解惑”。下面笔者就有关板书教学应遵循的原则、板书的功能、板书设计的分... On-board teaching is one of the teaching methods that fully embodies the “teacher-oriented” ideology. Teachers use a series of words, symbols, and images to intuitively and concretely display the contents of teaching materials, highlight key points and difficulties, reveal the relationship between concepts, and attach necessary explanations so that they can “preach, teach, and confuse”. The following writer on the principle of board writing should follow, the function of the board, the design of the board...