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题目内容双击单词支持查询和收藏哦～
While there is no evidence that Bigfoot is real, several well-known species were once thought to be________; the okapi, for instance, was known as the “African unicorn" until explorers obtained proof of its existence.
- A.threatened
- B.fabulous
- C.extinct
- D.defunct
- E.legendary
- F.secretive
B,E显示答案
以上解析由 考满分老师提供。
