For this part, you are allowed 30 minutes to write a composition on the topic: Sandstorms.

You should write no less than 120 words, and your composition should be based on the following information:

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来防止它。作为一个公民，你认为哪些是防止沙尘暴的必要方法？阐明原因。