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Spending five minutes in the sun will most likely have a(n) _____ effect on one's skin; spending fifteen minutes, on the other hand, can lead to burning and, over time, fine wrinkles.
- A.harmful
- B.demonstrable
- C.enduring
- D.indeterminate
- E.benign
E显示答案
以上解析由 考满分老师提供。
