听歌学英文

Life\'s a dream. Never too old to learn stupid things. :-)
正文

Vitamins

(2012-05-14 21:23:09) 下一个
 

原读链接:

http://www.voanews.com/learningenglish/home/science-technology/Vitamins-are-Important-to-Good-Health-151464405.html







BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. I’m Bob Doughty.

FAITH LAPIDUS: And I’m Faith Lapidus. This week, we tell about vitamins.

(MUSIC)

BOB DOUGHTY: Many jobs must be done with two people. One person takes the lead. The other helps. It is this cooperation that brings success.

So it is with the human body. Much of our good health depends on the cooperation between substances. When they work together, chemical reactions take place smoothly. Body systems are kept in balance.

Some of the most important helpers in the job of good health are the substances we call vitamins.


原读全文录音:



 
 


 
 
 
  

 



[ 打印 ]
阅读 ()评论 (0)
评论
博主已隐藏评论
博主已关闭评论