高一英语外研版 必修3 Module4课件
作者:爱迟到 来源:原创 更新时间:2008-11-29 点击数:91
1. Sandstorms can pollute the atmosphere and carry away top soil. When the top soil is carried away, on which plants grow, land becomes barren, yielding much less.
2. Also the breaking out of sandstorms brings more solid pollutants into the atmosphere and damages the environment.
3. Even sandstorms can kill people and animals and pull down buildings. In fact, sandstorms cause as much damage as typhoons and hurricanes.
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