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题目内容双击单词支持查询和收藏哦～
Once the scientists began to research the matter, it didn`t take them long to find out that life far beneath the ocean floor was not only possible, but _____________.
- A.vulnerable
- B.prevalent
- C.conspicuous
- D.fragile
- E.extensive
- F.essential
B,E显示答案
以上解析由 考满分老师提供。
