“大气的运动”一节是高中地理第二章中关键性的内容,而“气旋与反气旋”又是其中的重点和难点。突破重点和难点,一定要抓住关键所在。教师在教学中如能把分析重点和难点的关键告诉学生,就好比把钥匙交给了学生,使学生掌握了学习的主动权,重点和难点则会迎刃而解。下面是为这部分教学内容设计的一些具体做法。图示分析,掌握难点在教学过程中,可先复习“海平面等压线的分布”示意图,以及气压梯度力、地转偏向力,摩擦力对风向的作用等 The section “Movement of the Atmosphere” is the key content of the second chapter of high school geography, and “cyclones and anti-cyclones” is one of the key and difficult points. Break through the key points and difficulties, we must seize the key. If teachers can tell students the key to analysis and difficulties in teaching, it is like giving the key to the students so that the students can master the initiative of learning. The key points and difficulties will be easily solved. The following are some specific practices designed for this part of the teaching content. Graphical analysis, difficulty in the process of teaching, you can review the “sea level pressure contour distribution” diagram, as well as the pressure gradient force, the geostrophic force, the effect of friction on the wind direction, etc.