• 2022-06-07 问题

    An ordinary subway train, approaching the station, can be____the loudest jet. A: twice as loud as B: as loud as twice C: as twice louder as D: as louder as twice

    An ordinary subway train, approaching the station, can be____the loudest jet. A: twice as loud as B: as loud as twice C: as twice louder as D: as louder as twice

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