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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2006

Millions of youngsters across Europe could suffer ________ hearing loss after five years if
they listen to MP3 players at too high a volume for more than five hours a week, EU scientists warned.

A.temporary B.permanent C.frequent D.extraordinary
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MillionsofyoungstersacrossEuro