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

admin2009-06-15  18
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
A. is found to be a great deal higher than that of seawater
B. was of little scientific value
C. may be older than that collected below 39 sheet of ice
D. might have come from Mars
E. is to collect some briny lake water for analysis   
F. may return to life sooner than microbes frozen in the surface ice
选项
答案B
解析 根据搭配句意(科学家曾经忽视了Vida湖，因为他们认为一湖冰没有什么科学研究的价值)选择答案。
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