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题目内容双击单词支持查询和收藏哦～
Scientist reported last month on a sign of relative solar _____; the solar wind, a rush of charged particles continually spewed from the Sun at a million miles an hour, had diminished to its lowest level in 50 years.
- A.quiescence
- B.turbulence
- C.isolation
- D.calm
- E.remoteness
- F.instability
A,D显示答案
以上解析由 考满分老师提供。
