Today, I want to talk about the weather, the weather should be said in recent days is not very good, like a few days ago, always a great temperature difference between day and night, since Monday, the impact of the cold, rainy day is always time to time , the temperature dropped quickly, the weather has changed dramatically, the total is well known, and now the climate problem has been our concern, due to various industries, the increase in carbon dioxide emissions, leading to the greenhouse effect is more serious, only to Now all kinds of strange weather, it is now more and more unpredictable weather, so students should also pay attention to clothes, to prevent the common cold
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