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英语四级作文:干旱的世界(A Thirsty World)

时间:2024-07-02 01:54:38 作文 我要投稿
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英语四级作文:干旱的世界(A Thirsty World)

  无论是身处学校还是步入社会,大家都尝试过写作文吧,根据写作命题的特点,作文可以分为命题作文和非命题作文。相信写作文是一个让许多人都头痛的问题,下面是小编帮大家整理的英语四级作文:干旱的世界(A Thirsty World),供大家参考借鉴,希望可以帮助到有需要的朋友。

英语四级作文:干旱的世界(A Thirsty World)

  the world is not only hungry, it is also thirsty. this may sound strange, since nearly seventy percent of the earths surface is covered with water. but about ninety percent of this is sea water. man and most of the animals can only drink and use the remaining percent of water--fresh water.

  the need for water is increasing day by day. only steps are taken to deal with this problem immediately can we avoid a severe world-wide water shortage later on. one of the first steps is to develop ways to reuse it.

  eperiments have already keen carried out in this field.the used witer has been pumped to a water-purifying plant.there, it can be separated from waste matter and treated with chemicals so that it can be used again, just as if it were fresh water from a spring.

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