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We tend to perceive the classification of 200 animals into scientific categories such as species and subspecies as ______________, but the definition of many species is still hotly debated among biologists and conservationists.
- A.abstruse
- B.equivocal
- C.incontrovertible
- D.imperative
- E.indiscernible
C显示答案
以上解析由 考满分老师提供。
