未知题型
'Genetic tests to detect those glitches in people can allow them to reduce ', here 'them' (Sentence 2, Paragraph 3) refers to ______.
A.
【参考答案】
people
people 解析：解词题。根据上下文此句意为对人的基因错误的测试，可以帮助人通过改变生活方式或服......
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