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The ancient Nubians inhabited an area in which typhus occurred, yet surprisingly few of their skeletons show the usual evidence of this disease. The skeletons do show deposits of tetracycline, an antibiotic produced by a bacterium common in Nubian soil. This bacterium can flourish on the dried grain used for making two staples of the Nubian diet, beer and bread. Thus, tetracycline in their food probably explains the low incidence of typhus among ancient Nubians.

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

【选项】The diseases other than typhus to which the ancient Nubians were exposed would not be affected by tetracycline.

选项是否正确?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:GWD-230
正确率:60% 中等