2. 外语
  3. The passage is mainly about ______. The British DNA database is established to ______.

The passage is mainly about ______. The British DNA database is established to ______.

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问题 The passage is mainly about ______.
The British DNA database is established to ______.
选项 A、find the identical DNA profiles
B、help criminal investigations
C、store people’s personal information
D、treat people of potential diseases
答案B
解析 细节题。这一题的问题是关于英国DNA数据库的目的。我们在文章的第四段可以找到与"British DNA database"相关的内容，“In Britain，a national criminal database’’。由此可见，这个数据库的目的就是帮助调查犯罪，所以答案是B。
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大学英语六级

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