Because marine algae indirectly remove atmospheric carbon dioxide, a major (i) _

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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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