雅思写作背景素材：环境类

　　下面雅思为大家整理了雅思写作背景素材：环境类，供考生们参考，以下是详细内容。

　　Everywhere man is altering the balance of nature. He is facilitating the spread of plants and animals into new regions, sometimes deliberately, sometimes unconsciously. He is covering huge areas with new kinds of plants, or with houses, factories, slag-heaps and other products of his civilization. He exterminates some species on a large scale, but favours the multiplication of others. In brief, he has done more in five thousand years to alter the biological aspect of the planet than has nature in five million.

　　以上就是雅思为大家整理的雅思写作背景素材：环境类，非常实用。更多资讯、资料尽在雅思。最后，雅思预祝大家在雅思考试中取得好成绩!