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  3. What was scientists’ understanding of methane? Which of the following about methane is Not mentioned in the passage?

What was scientists’ understanding of methane? Which of the following about methane is Not mentioned in the passage?

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问题 What was scientists’ understanding of methane?
Which of the following about methane is Not mentioned in the passage?
选项 A、Plants growing in soil release methane.
B、Plants growing in water release methane.
C、Soil microbes consume methane.
D、Microbes in plants produce methane.
答案D
解析 最后两段告诉我们，无论在土壤中还是在水中生长的植物都能释放沼气，土壤中的微生物消耗沼气，使沼气不至于进入空气。所以A、B、C的内容均符合短文最后两段中作者的意思。D的内容短文中没有提到。
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