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Many gardeners believe that the variety of clematis vine that is most popular among gardeners in North America is jackmanii. This belief is apparently correct since, of the one million clematis plants sold per year by the largest clematis nursery in North America, ten percent are jackmanii.

Which of the following is an assumption on which the argument depends?

【选项】For all nurseries in North America that specialize in clematis, at least ten percent of the clematis plants they sell are jackmanii.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG18-语文分册-180
正确率:61%