发挥教师主导作用优化地理课堂教学□赖木清／深圳市观澜中学无论是传统教学，还是现代教学，都离不开教师的作用。因此，充分发挥教师主导作用，优化课堂教学，是全面提高教学质量的重要保证。现谈谈笔者多年教学实践中的几点体会。一、认真钻研教材，分清重点、次重点和... Giving play to teachers’ leading role in optimizing geography classroom teaching Lai Muqing/Shenzhen Guanlan Middle School Whether it is traditional teaching or modern teaching, it is inseparable from the role of teachers. Therefore, giving full play to the leading role of teachers and optimizing classroom teaching is an important guarantee for the overall improvement of teaching quality. Now I will talk about the author’s experience in many years of teaching practice. First, conscientiously study teaching materials, distinguish the key, sub-key and...