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题目内容双击单词支持查询和收藏哦～
Trilobites, with their famously distinctive lobed body plans and curious appurtenances, are _____________fossils, the perfect symbols of an archaic world.
- A.archetypal
- B.elusive
- C.obscure
- D.prevalent
- E.transitory
A显示答案
以上解析由 考满分老师提供。
