标签：话题作文 话题 高中英语作文
字数：1500字
提要：Spring is tht best season of the year. The weather gets warmer and warmer. My clas i'amates and I took a one-day sightseeing around our city.The scene was pretty. But when we saw the rivers along our city, I felt very sorry, and thoughit a lot. With the development of modern agriculture and industry, more and more waste water is being poured into rivers. It has caused serious pollution. The river ..