七年级学生英语比赛演讲稿
演讲稿具有逻辑严密，态度明确，观点鲜明的特点。在学习、工作生活中，演讲稿的.使用频率越来越高，在写之前，可以先参考范文，下面是小编整理的七年级学生英语比赛演讲稿，仅供参考，大家一起来看看吧。
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 new place, they often cut down trees or pull out many wild plants to make farmland. They don’t know that trees can stop flood and wind from washing or blowing the earth away, and that many of these wild plants are food for some wild animals. If the animals can’t find enough plants to eat, they will die or have to leave the place.
In one part of the United States, for example, the deer there like to eat a kind of wild flowers. The mountain tigers there eat the deer. But people killed many mountain tigers to protect the deer. soon there were so many deer that the ate up all the wild flowers. Then the deer began to eat the green leaves of the young trees .so the farmers thought of ways to protect their trees, then the deer had nothing to eat and many of them died.
The number of trees, deer, tigers, wild flowers and plants has changed much—less and less. We need to do more to keep the balance of nature.
Thank you!
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