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题目内容
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.
- Amorphing
- Bappearing
- Cdwindling
- Dorbiting
- Econtracting
- Femerging
C,E显示答案
以上解析由 考满分老师提供。