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题目内容双击单词支持查询和收藏哦～
Although the feeding activities of whales and walruses give the seafloor of the Bering Shelf a devastated appearance, these activities seem to be actually (i) _____ to the area, (ii) _____ its productivity.
- Blank(i)
- beneficial
- detrimental
- superfluous
- Blank(ii)
- encumbering
- redirecting
- enhancing
beneficial , enhancing 显示答案
以上解析由 考满分老师提供。
