发些比较新的prep阅读题不是12年的

溜肩伞 · 发表于 2017-1-19 10:58:36

这些题是网上prep网站做模考做到的阅读题，基本国内网站找不到这些文章和题目。没题做的可以来做做看啊！后面会附解析！

Passage

VO2 max is more than merely a trendy buzzword for workout aficionados to bandy about. As athletics grows ever more scientific in orientation, measurable indicators of performance grow in importance. For the endurance athlete, the ability to keep muscles supplied with oxygen is currently viewed as the single most effective indicator of ability. This measurement, VO2 max, can range from 40 ml/kg/min for an average fit young adult to in excess of 90 ml/kg/min for a cardiovascular superstar like Lance Armstrong.

For sprinters, on the other hand, oxygen replenishment is a peripheral concern since the short duration of the activity ensures that almost all energy production relies on the phosphagen or lactic acid processes. While the exact method of energy production shifts after approximately thirty seconds of activity, this general rule holds true for any athlete where the period of exertion is less than approximately two minutes. Short distance runners and swimmers, weight lifters, and those participating in team sports where individual effort varies over time are all examples of athletes for whom oxygen uptake primarily affects the length of the recovery period following exertion. In these cases a training program centered on VO2 max may not provide optimum results.

Once this initial period of exertion is over, however, energy production shifts to the aerobic process of glycogen metabolism and, eventually, fat metabolism. It is at this point that the ability of the body to supply muscle tissue with oxygen, as measured by VO2 max, becomes a key component. Training efforts in this area are highly variable, with studies showing negligible improvement in some participants but a doubling of VO2 max in others. The average VO2-max-centered training program sees approximately 17% improvement in measured capacity. The detailed mechanism that is at work in the transfer of oxygen to muscle tissue remains poorly understood. Lung capacity, circulatory capacity, blood chemistry, and as yet unknown characteristics of individual muscle cells may all play a role.

Assuming that the information contained within this article is accurate, which of the following claims about VO2 max can be most reasonably made?

Some individuals have more than twice the VO2 max of an average fit young adult.

It depends primarily on unexplained properties of individual muscle cells.

It contributes to the metabolism of lactic acid and phosphagen.

The mechanism of VO2 max shifts after thirty seconds of activity.

It can be increased by up to 17% through a focused training program.

In the passage, the author's opinion regarding VO2 max could best be characterized by which of the following statements?

It is a useful indicator of performance for endurance athletes but should be ignored by those with events lasting over thirty seconds.

It is merely a trendy buzzword in the athletic community.

At least some of its popularity may be due to the increasingly scientific orientation of sports training.

It is a good indicator of the performance of distance runners, cyclists, and weightlifters.

Eventually its popularity as a performance indicator will be eclipsed by other measures.

A top-level sprinter can run 400 meters in approximately 45 seconds. Based on this information and that contained within the article, assuming that it is correct, which of the following claims can be most reasonably made?

During a 400 meter sprint, a top level athlete's primary energy source is some combination of the phosphagen and lactic acid processes.

VO2 max only plays a role in the final stages of a 400 meter race when run by a top-level sprinter.

Fat metabolism plays a significant role in the performance of a top-level sprinter during a 400 meter race.

VO2 max plays no role in the recovery period at the conclusion of a top-level sprinter's 400 meter race.

No top-level sprinter should consider VO2 max in his or her training.

According to the information in this article, which of the following can be inferred about the role of VO2 max in exercise?

It is entirely unimportant to sprinters.

It plays a greater role early in exertion.

It should not be a part of the training regimen of a professional football player.

It is the only area of fitness that is scientifically measured.

It is a strong indicator of performance for endurance athletes.

这篇文章难度是600-650的相对而言比较简单

溜肩伞 · 发表于 2017-1-19 11:04:43

刚刚发的时候格式没搞好，不过应该还能看的懂...大家见谅啊！

这里是答案区
第一题
Correct Answer: A

Top athletes can have VO2 max measurements of over 90 ml/kg/min whereas average fit young adults measure at 40 ml/kg/min, so answer (A) is correct. VO2 max may depend on unknown properties of muscle cells but not primarily on them, so (B) is incorrect. The lactic acid and phosphagen processes are anaerobic and so do not depend on VO2 max so (C) is incorrect. The anaerobic metabolism method, not the VO2 max mechanism, shifts after 30 seconds, so (D) is incorrect. The 17% figure is an average, so (E) is incorrect.

第二题
Correct Answer: C

The first half of (A) is correct but suggesting that it should be ignored by athletes with events over thirty seconds goes beyond the scope of the article. The article asserts that VO2 max is more than a buzzword, so (B) is incorrect. The article does mention that scientific interest in training is bringing about a greater use of measures such as VO2 max, lending support to (C), which is the correct answer. The article does imply that VO2 max would be a good measure of distance runners' and cyclists' performances, but not those of weightlifters, so (D) is incorrect. There is no discussion of the future popularity of VO2 max, so (E) is out of scope and incorrect.

第三题
Correct Answer: A

While this article focuses on VO2 max, it also discusses anaerobic metabolism of sprinters, which dominates in events under two minutes. There is a switch from the phosphagen process to the lactic acid process after about thirty seconds, so answer (A) is correct. VO2 max plays little role during an event of under two minutes and the article offers no information that it is more important at one point than another, so (B) is incorrect. Fat metabolism is not active until well after two minutes, so (C) is incorrect. The primary role played by VO2 max, for a sprinter, is in the rate of recovery, so (D) is incorrect. The article implies that VO2 max training may be less important than other forms of training for a sprint athlete, but the statement "no top-level..." is too strong and therefore (E) is incorrect.

第四题
Correct Answer: E

The article stresses that VO2 max is less important to sprinters, not unimportant, so (A) is incorrect. VO2 max plays a primary role later in exercise, so (B) is incorrect. While the article indicates that participants in some team sports find VO2 max less important, there is no specific discussion of football or excluding VO2 max training entirely, so (C) is incorrect. VO2 max is a measured parameter but the article says nothing about it being the only one, so (D) is incorrect. (E), the correct answer, is supported by information in the article's introduction.

xxylem · 发表于 2017-9-1 18:39:15

感谢分享！

geleyun · 发表于 2017-9-1 19:22:58

感谢分享，小天使

发些比较新的prep阅读题不是12年的

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发些比较新的prep阅读题 不是12年的

所属分类: GMAT考试

正在浏览此版块的会员 ()

发些比较新的prep阅读题不是12年的