近年来，沙尘暴一直困扰着人们的生活。尽管人们已经认识到这一可怕的现象，但似乎也没有什么特别有效的办法

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[范文]
Sandstorms
In recent years, sandstorms occur more frequently than before. The floating dusts in the air not only lead to inconvenience in people’s life but aim do harm to people’s health. Since this is partially due to the growth of human activities, we should take measures to stop sandstorms and make our air cleaner.
First of all, we should provide more chances for people to know about the seriousness of the environmental problem, and enhance people’s awareness of the environmental protection. Only when we are willing to do something, can we do it well.
Moreover, governments at all levels should also be involved in this activity. In some areas, they should organize a forestation drive to stop farming and plant trees and grass instead. In this way we can prevent some land from becoming the desert, and thus the occurrence of sandstorm in the future will not be so frequent as in today.
In a word, individuals and the government should make joint efforts to prevent. the sandstorm. We can benefit a lot from nature, and at the same time we should also restrict our activities and protect the natural environment from being destroyed.

答案解析:[简评]
本文是一篇根据情景提示展开的说明文。本文针对题目指令中的情景提示，围绕如何防止沙尘暴侵害人类展开说明。作者首先指出近年来沙尘暴的发生愈发频繁，给人们的生活和健康带来许多危害，人