下,随着推进素质教育,各种常规电教设备被广泛使用,具有高科技含量的多媒体又走进课堂,因而人们对课堂板书这一最传统、最直接的教学手段显得有所冷落。其实板书不是僵死、毫无生气的教学手段,它能成为活的教具。关键就看教师在教学中能否给它注入一种活力,使其深具气蕴而生动? , With the promotion of quality education, a variety of conventional audio-visual equipment is widely used, with high-tech multimedia into the classroom, so people in the classroom the most traditional and most direct teaching methods seem to be ignored. In fact, the blackboard is not dead, lifeless teaching methods, it can become a living teaching aids. The key to see if teachers can give it a vitality in teaching to make it full of gas Yun and vivid?