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山地垂直自然带、雪线是高中地理的重点和难点,学生做题往往会考虑不周,判断不准。河流相关的知识比较庞杂,如对河流洪涝成因、治理措施、水能丰富的条件、凌汛成因、水库选址等进行系统分析归纳有利于学生掌握。一、山地类知识1.分析影响山地垂直带谱的因素在高山地区,从山麓到山顶随着海拔高度的增加,水热
The vertical natural belts and snow lines in the mountains are the focus and difficulty of high school geography. River-related knowledge is more complex, such as river flooding causes, governance measures, water-rich conditions, cause of formation, reservoir site selection, etc. are systematically analyzed for the benefit of students. I. Mountain knowledge 1. Analyze the factors affecting the vertical spectrum of mountainous areas In the high mountain areas, from the foothills to the top of the mountain, the water temperature increases with altitude.