2. 外语
  3. Several studies (i)________the assumption that paper cups, because they were made of natural products, were more environmentally

Several studies (i)________the assumption that paper cups, because they were made of natural products, were more environmentally

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问题 Several studies (i)________the assumption that paper cups, because they were made of natural products, were more environmentally (ii)________than cups made of plastic (polystyrene). Indeed, these studies indicated that the environmental (iii)________of producing and recycling paper cups were similar to, if not more than, those related to the production, disposal, and recycling of polystyrene cups.
Blank (i)       Blank (ii)     Blank (iii)
A. corroborated D. friendly    G. benefits
B. exploited    E. hazardous   H. costs
C. dispelled    F. predictable I. opportunities
选项
答案C,D,H
解析 先看空格(ii)，语义是即纸杯由天然产品(natural products)制造而成，所以比塑料(聚乙烯)制成的杯子在环境上更加________。既然是由天然产品制成，所以对环境应该更无害，空格(ii)表达“无害”的含义，D项friendly(友好的)符合。再看空格(iii)，句子说，生产和回收纸杯的环境________与生产、处理和回收聚乙烯杯子相比，就算不是更多，也是相似的。注意前面讨论的话题是纸杯是否环境友好，因此讨论的是对于环境的影响，空格(iii)应该填入表示对于环境的影响的词，选H项costs(代价)。最后看空格(i)。后面说生产纸杯的环境代价与塑料杯实际上是相似的，显然是对前面的假设的反驳，因此空格(i)表达“反驳，否认”的含义，C项dispelled(消除)符合。
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