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题目内容双击单词支持查询和收藏哦～
For decades, Pluto seemed to be the mysteriously _____ planet: it was first thought to be about as large as Earth, but, subsequently, measurements had it smaller and smaller.
- A.morphing
- B.appearing
- C.dwindling
- D.orbiting
- E.contracting
- F.emerging
C,E显示答案
以上解析由 考满分老师提供。
