2. 外语
  3. Many fields of science stand to gain from the ongoing analysis of the human genome (基因组), but none more so than biomedicine. The

Many fields of science stand to gain from the ongoing analysis of the human genome (基因组), but none more so than biomedicine. The

admin2010-02-20  47
问题     Many fields of science stand to gain from the ongoing analysis of the human genome (基因组), but none more so than biomedicine. The research promises new treatments for a huge range of diseases, all of which must have some genetic component. It could ultimately answer questions about the nature of life itself. It could also answer riddles about addictions such as gambling, or provide treatments for jetlag, or sleep disorders or mental illness.
    Computer search engines are already mining the genome for candidate disease genes—more than 40 have been found already and hundreds of more are expected to be confirmed in the next few years. Programs are finding the subtle genetic variations in people that do not cause disease but that could lead to more personalized treatments with fewer sideeffects.
    Tiny misspellings in the genome’s biological instructions, either inherited or acquired during one’s lifetime, can make all the difference between health and disease. Genetic tests to detect those glitches(缺点) in people can allow them to reduce that risk by making lifestyle changes or taking preventive drugs. And by studying how the errors cause disease, scientists are getting new ideas about how to design more effective drugs. But scientists warn that there is a long way to goeven if there are only 30,000 genes to examine.
"Genetic tests to detect those glitches in people can allow them to reduce ", here "them" (Sentence 2, Paragraph 3) refers to ______.
选项
答案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用预防性药物降低发病危险。此处“them”指“人们”。
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