影响GRE阅读成绩的要素

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影响GRE阅读成绩的要素

在阅读时颠倒阅读重点

在把握GRE文章时首先应读出其逻辑层次，其中包括套路，各段段意，各段之间的逻辑关系以及主题句。其次，需注意文章中的一些重点语言现象，如GRE强转折，强因果和强对比等词所在的句子。同时在看文章时对一些重要的细节要记住它们大致的位置。最后在做题的时候对一些与题目相关的细节进行仔细的研读。

盲目求快而忽略了文章中主要的信息

有些考生片面理解了G式阅读中的快速阅读，认为快速阅读仅仅指的就是提高单位时间内容阅读单词的数量，所以在阅读实践中盲目提速。导致文章中重要的主干内容被忽略。

在阅读时缩手缩脚，不敢舍弃

有的考生在备考时也基本认同了快速阅读方法的合理性，可在实际阅读文章的过程中还是缩手缩脚，不敢快速阅读一些细节。

GRE阅读材料练习：动物是如何感知时间的

Small creatures with fast metabolisms see the worldlike an action replay.FLIES live shorter lives than elephants. Of that there is no doubt. But from a fly’s point of view,does its life actually seem that much shorter? This, in essence, was the question asked byKevin Healy of Trinity College, Dublin, in a paper just published in Animal Behaviour. His answeris, possibly not.

小生物可能拥有快速代谢系统，眼中的世界就像慢动作回放。苍蝇的寿命比大象短。这是毫无疑问的。但是从苍蝇的角度来说，它的生命真的有那么短暂吗?这是都柏林圣三一学院的Kevin Healy在《动物行为》上发表的论文中提出的问题的本质所在。他的回答可能是否定的。

Subjective experience of time is just that—subjective. Even individual people, who can comparenotes by talking to one another, cannot know for certain that their own experience coincideswith that of others. But an objective measure which probably correlates with subjectiveexperience does exist. It is called the critical flicker-fusion frequency, or CFF, and it is thelowest frequency at which a flickering light appears to be a constant source of illumination.It measures, in other words, how fast an animal’s eyes can refresh an image and thus processinformation.

对时间的主观经验就是主观的。即使是能与彼此交谈对照时间的人类也不能确定他们跟别人的经验相同。但是，客观的测量与主观的经验确实有关系。这就是所谓的临界闪烁融合频率，简称CFF，这是闪烁的光作为照明固定光源的最低频率。换句话说，测量动物眼睛刷新图像的速度然后处理信息。

For people, the average CFF is 60 hertz (ie, 60 times a second). This is why the refresh-rate ona television screen is usually set at that value. Dogs have a CFF of 80Hz, which is probably whythey do not seem to like watching television. To a dog a TV programme looks like a series ofrapidly changing stills.Having the highest possible CFF would carry biological advantages, because it would allow fasterreaction to threats and opportunities. Flies, which have a CFF of 250Hz, are notoriouslydifficult to swat. A rolled up newspaper that seems to a human to be moving rapidly appears tothem to be travelling through treacle.

对人类来说，平均的CFF是60赫兹(即，每秒六十次)。这是通常设置的电视屏幕刷新率。狗狗眼睛的刷新率是80赫兹，这可能是它们不看电视的原因。对狗来说，电视节目看起来像一系列快速变化的幻灯片。有最快速的CFF会拥有生物学优势，因为这意味着面对威胁或者机会时会有更快的反应速度。苍蝇的CFF是250赫兹，很难被拍死。在人类看来迅速落下的一卷报纸在苍蝇看来就想是慢动作。

Mr Healy reasoned that the main constraints on an animal’s CFF are its size and its metabolicrate. Being small means signals have less far to travel in the brain. A high metabolic ratemeans more energy is available to process them. A literature search, however, showed that noone had previously looked into the question.Fortunately for Mr Healy, this search also showed that plenty of people had looked at CFF in lotsof species for other reasons. Similarly, many other people had looked at the metabolic rates ofmany of the same species. And size data for species are ubiquitous. All he had to do,therefore, was correlate and repurpose these results. Which he did.

Healy先生推断，动物CFF的主要限制来自于其体型及其新陈代谢速度。体型小意味着大脑中信号传递速度快。高代谢率意味着更多的能量处理信息。然而，一个文献检索显示之前没人研究过这个问题。幸运的是，对Healy先生来说，很多人为了别的原因也研究了许多物种的CFF。同样的，许多人也研究了许多上述物种的新陈代谢速率。物种体型大小的数据到处都是。这么一来，他需要做的就是关联并重新利用这些结果。他这么做了。

To simplify matters he looked only at vertebrates—34 species of them. At the bottom end ofthe scale was the European eel, with a CFF of 14Hz. It was closely followed by the leatherbackturtle, at 15Hz. Tuataras clocked in at 46Hz. Hammerhead sharks tied with humans, at 60Hz,and yellowfin tuna tied with dogs at 80Hz. The top spot was occupied by the golden-mantledground squirrel, at 120Hz. And when Mr Healy plotted his accumulated CFF data against bothsize and metabolic rate (which are not, it must be admitted, independent variables, as smallanimals tend to have higher metabolic rates than large ones), he found exactly thecorrelations he had predicted.

为了简化问题，他只看34种脊柱动物。CFF最低的是欧洲鳗鲡，只有14赫兹。紧随其后的是棱皮龟，有15赫兹。锤头鲨跟人类一样，是60赫兹，黄鳍金枪鱼跟狗一样是80赫兹。的是地鼠，有120赫兹。当Healy先生将他的CFF数据跟体型和新陈代谢速率联系起来，他发现了相关性完全符合其预测。(必须承认，体型和新陈代谢速率不是独立的变量，小动物的新陈代谢速率比大型动物更快)

The upshot is that his hypothesis—that evolution pushes animals to see the world in theslowest motion possible—looks correct. Flies may seem short-lived to people, but from adipteran point of view they can thus live to a ripe old age. Remember that next time you try(and fail) to swat one.

他的假设是进化可能让动物更慢的速度看世界，结果看起来这个假设是对的。苍蝇对人类来说似乎很短命，但是从苍蝇的角度来说，它们能活得很长。记得下次拍死一个，可能拍不到哦。

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