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《地球上的大气》这一章既是高中自然地理中的重点,也是难点。这一章主要研究的是对人类赖以生存和发展有重大意义的地理圈层之一大气圈。地球大气圈对太阳辐射的削弱作用和对地面的保温作用,形成了适宜人类生存的温度环境。另外,大气圈对于人类生存的重大意义还表现在提供了适宜人类呼吸的大气。大气中有复杂多变的天气现象,热、冷、风、云、雨、雪、霜等,与人的生产和生活时时产生联系。下面就同学们在复习时遇到的疑点问题作一浅显分析。
The chapter “The Earth’s Atmosphere” is both a focal point and a difficult point in high school’s natural geography. This chapter mainly studies the atmosphere of one of the geography circles of great significance to the survival and development of mankind. Earth’s atmosphere to the weakened role of solar radiation and the role of the ground insulation, forming a suitable human survival temperature environment. In addition, the great significance of the atmosphere for human survival is also manifested in providing the atmosphere suitable for human breathing. The atmosphere has a complex and changing weather phenomena, heat, cold, wind, clouds, rain, snow, frost, etc., and people’s production and life are always linked. Below on the students encountered in the review of doubtful questions for a simple analysis.