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题目内容双击单词支持查询和收藏哦～
Since it is an incredible challenge to detect dark matter directly, scientists have_____________ its existence from its gravitational effects on shaping galaxies and other large-scale structures.
- A.isolated
- B.confirmed
- C.inferred
- D.surmised
- E.documented
- F.hypothesized
C,D显示答案
以上解析由 考满分老师提供。
