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From 1978 to 1988, beverage containers accounted for a steadily decreasing percentage of the total weight of household garbage in the United States. The increasingly widespread practice of recycling aluminum and glass was responsible for most of this decline. However, although aluminum recycling was more widely practiced in this period than glass recycling, it was found that the weight of glass bottles in household garbage declined by a greater percentage than the weight of aluminum cans.

Which of the following, if true of the United States in the period 1978 to 1988, most helps to account for the finding?

【选项】Glass bottles are significantly heavier than aluminum cans of comparable size.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 1-23
正确率:54%