2. 外语
  3. A. Significance of testing techniques for sampling microbes in the deep ice sheet B. special features of lake Vida C. later expe

A. Significance of testing techniques for sampling microbes in the deep ice sheet B. special features of lake Vida C. later expe

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问题 A. Significance of testing techniques for sampling microbes in the deep ice sheet
B. special features of lake Vida
C. later expedition on mars
D. 2004 revisit planned for collecting lake water specimen
E. Antarctic frozen life sampled and revived   
F. Accidental discovery of ice-sealed lake water Antarctica
*
选项
答案F
解析 根据段落中核心同(lake和Antarctica)的出现把答案范围锁定在(B和F)上，但B强调的是特征，但段落中没有该词义的反映，而段落的最后一句谈到“惊奇发现”，所以F是答案。
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