very good reading.

鸡蛋里面挑骨头哈，不一定对，选择地看哈。

BOB DOUGHTY: This is SCIENCE(schwa不够，有点像 sci-nce) IN THE NEWS, in VOA Special English. I’m Bob Doughty.

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

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(连读，短读，t浊化） 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 （考虑连读）balance.

Some of the most(顶多次重音，应该比important 弱，) important helpers in the job of good health are the substances we call vitamins.