2. 外语
  3. Because marine algae indirectly remove atmospheric carbon dioxide, a major (i) ______in marine algae populations might result in

Because marine algae indirectly remove atmospheric carbon dioxide, a major (i) ______in marine algae populations might result in

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问题 Because marine algae indirectly remove atmospheric carbon dioxide, a major (i) ______in marine algae populations might result in(ii)______levels of carbon dioxide.
选项
答案A，E
解析 result in说明前后同义重复；remove取反。两空联动，反义重复．reduction减少，transformation转变，explosion激增；perceptible可察觉的，elevated升高的，stabilized稳定的。答案选AE。
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