大學英語四級作文：環保

　　環保

　　Directions: For this part, you are allowed 30 minutes to write a composition on the topic On Water Shortage. You should write at least 150 words according to the outline given below in Chinese:

　　1. 水資源短缺已成為嚴重問題

　　2. 造成水資源短缺的原因

　　3. 提出解決方案

　　On Water Shortage

　　No one can have failed to notice the fact that water shortage is a grave problem with which the whole world is confronted. Actually, it has become so widespread that it has severely affected peoples daily life and hindered the development of the global economy.

　　A number of factors could account for the problem, but the following might be the critical ones. First, with the development of agriculture and industry, an increasing amount of water is needed. Secondly, the ever-increasing population is another leading cause of water shortage. Besides, the global tendency of warming up also contributes to the problem. Whats worse, pollution and waste of fresh water aggravate the situation.

　　In view of the seriousness of the problem, effective measures must be taken before things get worse. First, it is essential that laws and regulations be worked out and enforced to protect water resources. Secondly, people should enhance their awareness of saving water. With these measures taken, it is reasonable for us to expect a brighter future.

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