(Fossil) records support the assumption (which) microorganisms (were) the first

游客2024-01-05 11

问题 (Fossil) records support the assumption (which) microorganisms (were) the first forms (of life).

选项 A、Fossil
B、which
C、were
D、of life

答案 B

解析

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Fossilremains(revealthat)thefartherbackintime(ananimal)lived,thesma