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Pollution（污染）
1. Pollution1. 污染对人类有害
2. 为防止污染，3. 近年来采取了一些措施
4. 然而，5. 污染问题尚未完全解决
Pollution is harmful to human beings. Polluted water causes many kinds of diseases such as diarrhea, enteritis, etc. And sometimes these diseases even take man’s life. Dirty air or air-borne garbage causes stinging eyes and running nose. Pollutants are destructive. They cause runs in nylon stockings and crack rubber tires and they eat away at stone and rust iron.
Measures have been taken to control pollution. In recent years, legislative steps have been introduced to control pollution. Rivers are being cleaned. Air is purified, and pollutants are being trapped before they are poured out of chimneys.
However, pollution problems have not been completely solved. Pesticides are widely used almost everywhere. They pollute soil, water and food. They have the power to make our streams fishless and our gardens and woodlands silent and birdless. Some factories are still using air as a dumping place for wastes. Some lakes are still dirty. Quite a few chimneys are still pouring smoke into air and noise pollution remains serious.
污染
污染对人类有害。污染的水引起多种疾病，诸如腹泻，肠炎等。有时这些疾病甚至会夺去人的生命。污染的空气或空气中含有的废物引起眼睛刺痛，流鼻涕。污染物是有害的，它们使尼龙长袜脱丝，使车胎爆裂，侵蚀石头，使铁生锈。
为了防止污染，采取了一些措施。近年来，采取一些立法措施来控制污染。河水正在变清，空气正被净化，污染物从烟囱中排放出来以前，就得到了控制。
然而，污染问题并未完全解决。杀虫剂在广泛使用着，些杀虫剂污染着土壤、水和食品，使河流的鱼类无法生存，使我们的花园飞鸟绝迹，毫无声息。一些工厂仍然把大气作为垃圾倾倒场。一些湖泊依然很脏。还有不少的烟囱把烟尘排放到大气中，另外，噪音污染依然严重。
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