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SSS 2010-11-23

时间:2010-12-07 07:01来源:互联网 提供网友:seniorboy   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American’s 60-Second Science. I’m Cynthia Graber. This will just take a minute.
The elderly suffer from an alarming epidemic1. A third of people over 65 fall at least once a year. Half of those fall more frequently. Exercise can help, especially when they exercise to this. That’s right, the elderly gain a better sense of balance when they exercise to piano music. The research was published online in the Archives of Internal Medicine.
Scientists in Switzerland recruited 134 adults—average age about 75. For six months, half took a weekly hour-long class that focused on balance. They worked out to the piano, changing movements in response to changes in the beat. The exercises got progressively more difficult. The other group continued with their regular activities for six months.
Then the two groups switched. Those who worked out to tunes2 improved their gait and had longer and more stable strides. Overall, the first music-exercising group experienced half as many falls as the control group. But when the control group started striding to songs six months in, they gained the same benefits. Ninety-six percent of the participants exercising to the dulcet3 tones of the piano were women. So it remains4 to be seen if piano music can help men stay upright too.
Thanks for the minute. For Scientific American’s 60-Second Science, I’m Cynthia Graber.


点击收听单词发音收听单词发音  

1 epidemic 5iTzz     
n.流行病;盛行;adj.流行性的,流传极广的
参考例句:
  • That kind of epidemic disease has long been stamped out.那种传染病早已绝迹。
  • The authorities tried to localise the epidemic.当局试图把流行病限制在局部范围。
2 tunes 175b0afea09410c65d28e4b62c406c21     
n.曲调,曲子( tune的名词复数 )v.调音( tune的第三人称单数 );调整;(给收音机、电视等)调谐;使协调
参考例句:
  • a potpourri of tunes 乐曲集锦
  • When things get a bit too much, she simply tunes out temporarily. 碰到事情太棘手时,她干脆暂时撒手不管。 来自《简明英汉词典》
3 dulcet m8Tyb     
adj.悦耳的
参考例句:
  • Quickly,in her dulcet voice,Tamara told him what had happened.塔玛拉用她美妙悦耳的声音快速向他讲述了所发生的一切。
  • Her laugh was dulcet and throaty.她的笑声低沉悦耳。
4 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
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