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标题: LESSON 7:Sports Medicine [打印本页]

作者: tingroom 时间: 2010-12-2 15:29 标题: LESSON 7:Sports Medicine

Try to improve your ability by making full use of the listening material.If you meet any difficulty,please answer this post to list your question,we will help you to solve it,let's study together.

5 weekly aerobic sessions of about 20 minutes each seemed to produce the best results. Those who _________________________. Nieman says the explanation comes from what happens to certain white blood cells when the body kicks into exercise mode: _________________________, looking for invaders, such as the viruses that cause colds and other respiratory infections.

"Most immunologists interpret this as what they call improved immunosurveillance, or the ability of the immune system to detect and then engage pathogens and destroy them."

The so-called common cold is one of the most frequent illnesses in many parts of the world. According to one study, the economic burden is_________________________. David Nieman's study is reported in the British Journal of Sports Medicine.

[audio]http://sound.yywz123.com/tingbbs/up/liu7.mp3[/audio]

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作者: drshvsdrsh 时间: 2010-12-2 15:47

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作者: jasonyug 时间: 2010-12-3 11:53

those  exercise less frequantly will more likely catch cold ,
these immune cell start  warning the blood stress
the economist  Burny extimate a fourty billion a year in US alone

作者: a772930508 时间: 2010-12-17 19:45

???????

作者: luojy11 时间: 2010-12-18 22:28

回复 1# tingroom

有点难

作者: laura6688 时间: 2011-10-20 11:11

those  exercise less frequently will more likely catch cold ,
these immune cell start  warning the blood stress
the economist  Burny extimate 40 billion a year in US alone

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