For every ton of waste recycled,a city avoids paying for its disposal, which,in parts of New York, amounts to savings of more than 100 per ton. Recycling also stimulates the local economy by creating jobs and trims the pollution control and energy costs of industries that make recycled products by giving them a more refined raw material.
5. The key problem in dealing with returned plastic beverage containers is ?
A. to sell them at a profitable price
B. how to turn them into useful things
C. how to reduce their recycling costs
D. to lower the prices for used materials
讲解答案:
B 其根据是第一段最后一句:The problem was not limited to New York. Unfortunately,there were too few uses for second-hand plastic.第二段讲,现在全美五分之一的塑料瓶已回收利用,这种变化是因为有十几家公司收购塑料瓶,用它制成栅栏的立柱、油漆刷子等。所以B项是正确答案。
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