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教材解读本课希望通过学生的自主探究,认知地球上一天之中温度变化的自然现象,并找出这种自然现象产生的原因,从而完成教学任务。地球上一天之内温度昼夜变化的自然现象,科学上归于“太阳高度角”的变化而形成。由于地球
Interpretation of textbooks This course hopes to explore the natural phenomenon of temperature changes on the earth day by day, and find out the causes of this natural phenomenon, thus completing the teaching task. The natural phenomenon of diurnal temperature changes over the Earth’s day is scientifically attributed to changes in the “solar elevation angle.” Because of the earth