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GRE阅读句子功能题透视

来源:互联网   2018-06-13 17:07:08   
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  正式讲题之前我先啰嗦几句哈~大家表嫌弃我~很多同学有个误区,认为自己背好单词就能考好GRE,

  事实上我们对现有的机经题目进行详细分析,发现新GRE,尤其近几年,在阅读中,词汇难度大大降低,文章大部分为长度200个单词以内的短文章,跟老GRE的题目已经不可同日而语,

  所以,我一而再再而三的强调,如果你的目标不是160(需要极好的单词量以及透彻的词汇理解),而是150~155这个区间,那么最为高效率的备考方式是,仔细仔细仔细研究机经阅读文章,搞清楚出题思路,解题思路,加强对正确选项的敏感度,对错题选项的敏感度(例如比较关系),尤其是

  文章句间的逻辑关系~

  没错,这就是传说中的考试重点!!!(敲黑板状)

  大家先看一篇短文章,花两分钟做完这道题~

  Human impacts on the natural environment during the later part of the Holocene (beginningabout 4,000 years ago) complicate investigations into environmental change during that period because the signals produced by human- and climate-inducedchange are sometimes difficult to separate. For example, in the later Holocene,one indicator of increased aridity due to climate change is an increase in pollen from grasses, as forest vegetation gives way to grassland. Such a changein vegetation could alternatively be attributed to human impact in the form of agricultural development. Examples of such human impactfrom 4,000 years ago would be small-scale, however, since the broad ecosystem changes brought about by the widespread adoption of agricultural technologies occurred later.

  Which of the following best describes the function of the highlighted sentence in the context of the passage as a whole?

  A. It provides an example of the kind of problems that often complicate investigations into environmental change.

  B. It call into question the reliability of the established dates for later Holocene agricultural development.

  C. It describes the nature of localized agricultural developments during the later Holocene.

  D. It outlines a hypothesis that draws on evidence discussed earlier in the passage.

  E. It limits the scope of a particular complication mentioned earlier in the passage.

  大家选什么呢?

  题目形式非常固定,高亮文中的某一个句子,询问在文章中整体充当什么功能或者作用;

  我们理一下这篇短文章:

  • 第一句:作者提出自己观点:人类影响因素使得对4000年前开始,环境变化的调查研究复杂化(complicate into),因为人类和气候诱发的环境变化的signal经常难以区分开

  • 第二句:作者举例支持自己观点:森林植被变成草地,使得植物花粉增加,既可以理解为自然气候越来越干燥,也可以归因于人类农业发展的影响

  • 第三句:然而,这种4000年前人类影响的例子是比较少的哦(small-scale),因为广泛采用农业技术导致的环境变化后来才大规模的发生(changes occurred later)

  虽然有However这个词,但是作者并不是在否定自己的观点和例子,而是想表达:他所指出的人类因素和气候因素难以区分的例子,在4000年前比较少,并不是他的观点有误,而是那时候农业技术还不普遍,所以人类因素complicates调查研究的例子少。

  A选项,应该是第二句话的作用!

  B选项,call into question,表示反驳,错!

  C选项,描述农业发展的特点,无关选项

  D选项,概述一个假说,这不是一个假说

  E选项,正确!!!限定了文章第二句指出的一个particular complication的scope;即small-scale.为什么要用particularcomplication这个词呢?particular表示具体的,因为第一句话是综述观点,第二句话是例子,所以是一个具体的complication

  大家做对了吗?再看一道新鲜机经吧哈哈~~

  When studying shrimp feeding from hydro-thermal vents at the bottom of the ocean, biologists were surprised that the shrimps’ reproductive cycles followed seasonal patterns. Far beyond the reach of sunlight, and with food abundant around the vents all year round, why should such animals reproduce seasonally? The answer might involve their offspring, which in their larval form drift in the currents to colonize new vents. The larvae must feed during their trip, and their spring time release coincides with a peak in algae raining down from surface waters. So far,

  researchers have found no evidence of seasonal breeding among vent-dwelling species that provide their offspring with yolk to sustain them or among vent-dwelling species found in areas of the ocean with not seasonal algae blooms.

  Which of the following best describes the function of the highlighted sentence?

  A. It casts doubt on the accuracy of earlier observations of seasonal breeding among shrimp species living near hydro-thermal vents.

  B. It undermines the explanation proposed for seasonal breeding among some shrimp species living near hydro-thermal vents.

  C. It suggests that alternative theories are needed to explain seasonal breeding among shrimp species living near hydro-thermal vents.

  D. It describes the survival benefits to shrimp of mating in parts of the ocean where algae blooms rain down abundantly.

  E. It supports the explanation proffered for the seasonal breeding observed among some shrimp species living near hydro-thermal vents.

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