随着科技、经济的发展,多媒体教学设备已逐步装进了城市地区学校的教室,这些学校的地理教师便能随时随地使用多媒体手段进行地理教学,其教学内容形象直观,教学效果异常明显。然而,对于经济滞后的农村中学,多媒体设备仍限制在学校的多媒体教室中,地理教师要用多媒体上课,仍然存在诸多不便。在此情 With the development of science and technology and economy, multimedia teaching equipment has gradually been installed in the classrooms of schools in urban areas. Geography teachers in these schools can use multimedia means to teach geography anytime, anywhere with visual teaching contents and obvious teaching effects. However, for rural middle schools in economically disadvantaged areas, multimedia equipment is still restricted to multimedia classrooms in schools. Geography teachers still have to use multimedia to attend classes. There are still many inconveniences. In this situation