One British school is finding that allowing children to listen to music or even to have the TV on while studying is helping improve grades.【21】your teenager starts a family quarrel by sitting in an armchair listening to music while doing his homework, why not【22】a simple experiment? Rather than taking the heavy handed (严厉的) line of ordering him to his bedroom to get on with it【23】, let him do the homework the【24】he wants. You might well find that his essay is more sparkling (有文采的) than【25】he's done before . According to the research of Millfield prep school, around 20% of youngsters【26】best with background music, 10% excel (突出) when allowed to break up their work with short walks around the room while up to 80% can concentrate (集中注意力)【27】if allowed to fiddle (用手拨弄) with a small object. The research has advised the school to adopt (采取) a complete【28】approach (措), analyzing pupils to discover which learning style【29】them best—then letting them do their work listening to music or【30】lying down. Doubtful parents at first regarded the move as a layabout's (懒散闲荡的人) deed but many are now applying it at【31】where children are also allowed to do their work【32】the television on. 'I【33】to work on the floor with music on low, ' admits Susan, 13 a day-girl (走读女生). 'At first my parents thought I was skiving (逃避), but my【34】persuaded them to look at my homework and when they saw it was OK, they【35】' (41)