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Arecentstudyof9-and10-year-oldsinEnglandshowedthatkidsw...
问题详情:Arecentstudyof9-and10-year-oldsinEnglandshowedthatkidswhoparticipatedinaphilosophyclassonceaweekfor40minutesoverthecourseofayearimprovedtheirprogressinmathandreadingbyanaverageoftwomonths--eve...