4月5日GMAT换库后，小编为大家收集整理4月份的GMAT阅读机经，这篇是关于Prep变题的文章，分享给大家，希望对大家有所帮助，仅供参考。
【Prep原题】
One of the limiting factors in human physical performance is the amount of oxygen that is absorbed by the muscles from the bloodstream. Accordingly, entrepreneurs have begun selling at gymnasium and health club bottles of drinking water, labeled ‘super OXY’, that has extra oxygen dissolved in the water, such water would be useless in improving physical performance. However, since the amount of oxygen in the blood of someone who is exercising is already more than the muscle cell can absorb.
A word-class athletes turn in record performances without such water
B frequent physical exercise increases the body’s ability to take in and use oxygen
C. the only way to get oxygen into the blood steam so that it can be absorbed by the muscles is through the lungs
D lack of oxygen is not the only factor limiting human physical performance
E the water lost in exercising can be replaced with ordinary tap water.
选C项
【狗主提醒】
但是我考的时候这个原题中的小黑脸变成了选项，另一个什么statement变成了这个小黑脸，好阴险。。。不过其他都差不多。
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