一、知识要点 1.本章必须掌握的知识要点 卫星云图上颜色的表示内容和简易天气预报图中主要符号的含义;我国冬夏气温分布的特点,降水的时空分布特点及其成因;我国温度带和干湿地区的划分依据、分布地区及其对农业生产的影响;我国气候的主要特征;我国气候的有利条件;我国主要天气、气候灾害及其防御。 2.本章应予理解的知识难点 我国冬夏气温分布特点及其成因,温度带的划分标 First, knowledge points 1. This chapter must master the key points of the contents of the satellite cloud map and the meaning of the main symbol of the simple weather forecast map; China’s winter and summer temperature distribution characteristics, the spatial and temporal distribution characteristics of precipitation and its causes; China’s temperature and The division basis of dry and wet areas, distribution areas and their impact on agricultural production; the main characteristics of China’s climate; favorable conditions for China’s climate; China’s major weather, climate disasters and their defenses. 2. Difficulties to be understood in this chapter The characteristics of temperature distribution in winter and summer in China and its causes, the division of temperature zones