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  3. PASSAGE THREE What is the author’s purpose of mentioning the medical history of European royalty in Paragraph 4?

PASSAGE THREE What is the author’s purpose of mentioning the medical history of European royalty in Paragraph 4?

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问题 PASSAGE THREE
What is the author’s purpose of mentioning the medical history of European royalty in Paragraph 4?
选项
答案To confirm that inbreeding is not a good thing．
解析 根据第四段第二句可知，这些猫科动物流失了47％~70％的基因流，正如我们通过欧洲皇家的病史所知的那样，近亲繁育不能创造出最健康的血统，由此可知，此处提到欧洲皇家病史是想进一步说明近亲繁殖不是最健康的选择，故To confirm that inbreeding is not a good thing为正确答案。
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