我国中学地理教学能够发展到今天这样相对独立的、比较完整的体系，是来之不易的。简要回顾一下５０年来我国中学地理教学发展和变革的一些情况，有助于广大地理教师特别是青年地理教师更好地了解过去、认识现在、面向未来。一、中学地理教材的三次重要编写１．５０年代的地理 The development of geography teaching in middle schools in our country can be developed into a relatively independent and relatively complete system today, which is hard to come by. A brief review of some of the developments and changes in geography teaching in China’s middle schools over the past 50 years has helped the majority of geography teachers, especially young geography teachers, to better understand the past, recognize the present, and face the future. I. The three major preparations of secondary school geography textbooks