500字英语演讲稿3篇
　　英语是联合国的工作语言之一。 一些人认为低地苏格兰语是与英语最接近的一个独立语言，而一些人则认为它是英语的一个方言。以下是
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整理了500字英语演讲稿3篇，供你参考。
　　500字英语演讲稿篇一
　　We have only one earth. But now,the environment becomes worse and worse.
　　As you know,there's no enough clean water for people. So many of them lose their lives because of water. In a lot of
　　countries, people have to cut trees for living. So there's nothing to keep water from running away. Also we have polluted the
　　land, the river and the air. So we have to fa ...