提高智力小细节-20分钟的体育锻炼(6)

提高智力小细节

 

20 minutes of exercise helps kids too

 

20分钟的体育锻炼

 

A Swedish study of over a million 18-year-olds showed that fitness¹ does relate to a person's IQ.

 

The specifics of how exercise affects brain growth and development is unclear, but studies show that for 9 and 10-year-olds,20 minutes of exercise before a test significantly improves test scores.

1 fitness   

n.适合，适当，健康，健身

参考例句：

• They're doing exercises to improve their fitness.他们为增强体质而做体操。
• No one questions her fitness for the job.没人怀疑她能胜任这项工作。