2. 外语
  3. The passage is mainly about ______. The significance of the DNA fingerprinting is that ______.

The passage is mainly about ______. The significance of the DNA fingerprinting is that ______.

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问题 The passage is mainly about ______.
The significance of the DNA fingerprinting is that ______.
选项 A、the patterns of genetic material are unique in everybody
B、it can be used to identify criminals by testing their DNAs
C、DNA testing can tell the wanted information of some people
D、DNA testing can help those who are wrongly accused
答案C
解析 细节题。这一题的问题是关于DNA指纹的优点的，文章的第二段谈到了这一点。A选项是不正确的，因为双胞胎的DNA指纹是相同的。B，D两个选项只是DNA指纹的一种运用方式，只有C选项完整地表述了DNA指纹的优点，所以答案是C。
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大学英语六级

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