精选优质文档-倾情为你奉上七年级英语演讲稿演讲稿一:七年级英语演讲稿Ladies and gentlemen: Good morning! Today, the title of my speech is A Lesson from Nature.Around us , there are plants, animals and many other things. We live in nature, so to keep the balance of nature is very important for us. But today, too many trees are still being cut down in many countries and flood all over the world are getting more and more serious, A lot of land has gone with them. This is a lesson from nature.When people move into a