For three quarters of its span on Earth, life______almost exclusively as microor

游客2025-03-20  4

问题 For three quarters of its span on Earth, life______almost exclusively as microorganisms.

选项 A、revolted
B、involved
C、resolved
D、evolved

答案 D

解析 此题测试形近词的辨析。revolt“反抗,起义”;involve“卷人,陷入,连累,包含”;resolve“解决,下决心,分解’’;evolve“(使)进化,发展”。按题句意“生命在地球上四分之三的时间几乎全部是(只是)作为微生物发展的,”应选evolve。
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