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题目内容双击单词支持查询和收藏哦～
The environmental threat posed by the New Zealand mud snail, an invasive species, is _____ by the snail's small size, which facilitates its spread across watersheds through human activity.
- A.initiated
- B.ameliorated
- C.exacerbated
- D.extenuated
- E.mitigated
- F.aggravated
C,F显示答案
以上解析由 考满分老师提供。
