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题目内容双击单词支持查询和收藏哦～
If giant X-ray flares churn circumstellar disks enough to keep newborn planets, such as Earth once was, from spiraling into their suns, it would be an ironic twist on our conception of X-ray flares as _____.
- A.dangerous
- B.predictable
- C.ancient
- D.ephemeral
- E.perilous
- F.foreseeable
A,E显示答案
以上解析由 考满分老师提供。
