原來如此!!這裡真是太溫暖了 馬上解決了我的疑惑
這道JJ是在那個打包裡面的啊~~~~
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 gymnasiums and health clubs bottles of
drinking water, labeled 「SuperOXY,」 that has extra oxygen dissolved in the
water. Such water would be useless in
improving physical performance, however, since
the only way to get oxygen
into the bloodstream so that it can be absorbed by the muscles is through the
lungs.（B）
Which of the following, if true, would
serve the same function in the argument as the statement in boldface?
A.
the water lost in exercising can be replaced
with ordinary tap water
B.
the amount of oxygen in the blood of people
who are exercising is already more than the muscle cells can absorb
C.
world-class athletes turn in record
performances without such water
D.
frequent physical exercise increases the
body's ability to take in and use oxygen
E.
lack of oxygen is not the only factor
limiting human physical performance
the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs
只有氧气进入血液才能被肌肉吸收，而氧气进入血液的唯一方法是通过肺部。
黑体部分是反驳文章观点的。
所以你在选项里找一个同样能反驳文章观点的就好。
B。the amount of oxygen in the blood of people who are exercising is already more than the muscle cells can absorb
人们运动时体内血液中的氧含量已经超过了肌肉细胞所能吸收的量。言外之意，没有必要补充氧气了。反驳了文章。
the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs
只有氧气进入血液才能被肌肉吸收，而氧气进入血液的唯一方法是通过肺部。
黑体部分是反驳文章观点的。
所以你在选项里找一个同样能反驳文章观点的就好。
B。the amount of oxygen in the blood of people who are exercising is already more than the muscle cells can absorb
人们运动时体内血液中的氧含量已经超过了肌肉细胞所能吸收的量。言外之意，没有必要补充氧气了。反驳了文章。
Which of the following, if true, would serve the same function in the argument as the statement in boldface?
好像是說要扮演相同功能.
我的是在GWD 29.
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