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题目内容双击单词支持查询和收藏哦～
Although the compound is abundant in the environment at large, its presence in the air is not _____ ; only in the form of underwater sediment does it cause damage.
- A.trivial
- B.detectable
- C.deleterious
- D.substantive
- E.detrimental
- F.inconsequential
C,E显示答案
以上解析由 考满分老师提供。
