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高中地理有这样一道练习题。图上(图上的字母A、B、C是笔者加上)的锋面移动速度是30公里/小时,城市目前是14时,说明锋面什么时间移到该城市上空,在未来48小时内,该城市的天气怎样变化? 围绕此题可有如下三种训练方法: (1)在解答本题之前,可先练习这道习题:说明图中A、B、C三地的天气状况。 (2)在解答本题之后,可引伸为下列几题:①如果此图是北半球某地,锋面附近的主要风向怎样?为什么?②若A是华北地区,B是南岭一带,此时我国是什么季节?为什么?③若A是我国东南沿海
High school geography has such an exercise. The speed of frontal movement on the map (letters A, B, and C on the map are added by the author) is 30 km/h, and the city is currently at 14 o’clock, indicating when the front moved to the sky over the city. In the next 48 hours, the How does the city’s weather change? There are three training methods that can be used around this question: (1) Before answering this question, you can practice this exercise: Explain the weather conditions in the three places of A, B, and C. (2) After answering this question, it can be extended to the following questions: 1 If this map is somewhere in the northern hemisphere, what is the main wind direction near the front and why? 2 If A is in North China and B is in Nanling, our country is What season? Why? 3 If A is the southeast coast of China