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6月17日GRE阅读逻辑机经抢先看 神准预测怎能错过

2017年06月12日14:17 来源:小站教育作者:orangejojo
参与(1) 阅读(4961)
摘要:GRE阅读考试不仅需要考生本身具备熟练的阅读技巧和对长难句的快速理解能力,适当积累阅读量也是重要环节。而这一点恰恰是不少速成派考生所欠缺的。不过阅读没练到家其实也能保分。秘诀就是看小站最新发布的6月17日考前精准预测阅读逻辑机经!

6月份对许多正忙于大学学业的考生来说是相当繁忙的时期,期末考试的临近让大家很难抽出太多时间用于GRE等留学考试的备考工作。但6月份作为上半年GRE考试场次最多的一个月份,也同样是不想等到下半年再抢考位的同学们最好也是最后的选择。因此,如何在应对期末考试的同时用尽可能少的时间高效完成GRE备考就变得十分重要了。为了帮助大家提升备考效率,小编请来小站GRE名师和大家分享2017年6月17日最新的GRE阅读逻辑预测机经,一起来看!

6月17日其他题型机经预测:作文/填空/数学 请走这里

6月17日GRE阅读逻辑机经抢先看 神准预测怎能错过图1

短篇阅读

Although passenger pigeons, now extinct, were abundant in eighteenth-and nineteenth-century America, archaeological studies at twelfth-century Cahokian sites in the present-day United States examined household food trash and found that traces of passenger pigeon were quite rare. Given that the sites were close to a huge passenger pigeon roost documented by John James Audubon in the nineteenth century and that Cahokians consumed almost every other animal protein source available, the archaeologist conducting the studies concluded the passenger pigeon population had once been very limited before increasing dramatically in post-Columbian America. Other archaeologists have criticized those conclusions on the grounds that passenger pigeon bones would not be likely to be preserved. But all the archaeological projects found plenty of bird bones--and even some tiny bones from fish.

The author of the passage mentions "tiny bones from fish" primarily in order to

A. Explain why traces of passenger pigeon are rare at Cahokian sites

B. Support a claim about the wide variety of animal proteins in the Cahokian diet

C. Provide evidence that confirms a theory about the extinction of the passenger pigeon

D. Cast doubt on the conclusion reached by the archaeologists who conducted the studies discussed in the passage

E. Counter an objection to an interpretation of the data obtained from Cahokian sites

答案:C

解析:定位至文中最后一行,句子跟在转折连词But后,But all the archaeological projects found plenty of bird bones—and even some tiny bones from fish,与之前提及的passenger pigeon bones would not be likely to be preserved意思相反。

长篇阅读

In 1995 the Galileo spacecraft captured data about Jupiter's atmosphere--namely, the absence of most of the predicted atmospheric water--that challenged prevailing theories about Jupiter's structure. The unexpectedness of this finding fits a larger pattern in which theories about planetary composition and dynamics have failed to predict the realities discovered through space exploration. Instead of "normal planets" whose composition could be predicted by theory, the planets populating our solar system are unique individuals whose chemical and tectonic identities were created through numerous contingent events. One implication of this is that although the universe undoubtedly holds other planetary systems, the duplication of the sequence that produced our solar system and the development of life on Earth is highly unlikely.

Recently planetary scientists have suggested that the external preconditions for the development of Earth's biosphere probably included four paramount contingencies. First, a climate conducive to life on Earth depends upon the extraordinarily narrow orbital parameters that define a continuously habitable zone where water can exist in a liquid state. If Earth's orbit were only 5 percent smaller than it is, temperatures during the early stages of Earth's history would have been high enough to vaporize the oceans. If the Earth-Sun distance were as little as 1 percent larger, run away glaciations on Earth about 2 billion years ago would have caused the oceans to freeze and remain frozen to this day.

Second, Jupiter's enormous mass prevents most Sun-bound comets from penetrating the inner solar system. It has been estimated that without this shield, Earth would have experienced bombardment by comet-sized impactors a thousand times more frequently than has actually been recorded during geological time. Even if Earth's surface were not actually sterilized by this bombardment, it is unlikely that any but the most primitive life-forms could have survived. This suggests that only planetary systems containing both terrestrial planets like Earth and gas giants like Jupiter might be capable of sustaining complex life-forms.

Third, the gravitational shield of the giant outer planets, while highly efficient, must occasionally fail to protect Earth. Paradoxically, while the temperatures required for liquid water exist only in the inner solar system, the key building blocks of life, including water itself, occur primarily beyond the asteroid belt. Thus the evolution of life has depended on a frequency of cometary impacts sufficient to convey water, as well as carbon and nitrogen, from these distant regions of the solar system to Earth while stopping short of an impact magnitude that would destroy the atmosphere and oceans.

Finally, Earth's unique and massive satellite, the Moon, plays a crucial role in stabilizing the obliquity of Earth's rotational axis. This obliquity creates the terrestrial seasonality so important to the evolution and diversity of life. Mars, in contrast, has wildly oscillating tilt and chaotic seasonality, while Venus, rotating slowly backward, has virtually no seasonality at all.

1. The passage is primarily concerned with

A. Enumerating conditions that may have been necessary for a particular development

B. Outlining the conditions under which scientists may be able to predict certain events

C. Explaining how a particular finding affected scientists ' understanding of a phenomenon

D. Suggesting reasons why a particular outcome was more likely to occur than other possible outcomes

E. Assessing the relative significance of factors that contributed to a particular occurrence

答案:C

解析:根据文章第一段内容,可知推出了一个finding,后面都是具体介绍这个发现的,所以围绕的中心是C。

2. It can be inferred from the passage that the "planetary scientists" would be most likely to agree with which of the following statements concerning the development of complex life forms on Earth?

A. It might have occurred earlier in Earth's history if cometary impacts had been less frequent than they were.

B. It could have occurred if Earth's orbit were 1 percent larger than it is but not if Earth's orbit were 5 percent smaller.

C. It probably follows a pattern common on other terrestrial planets that occupy planetary systems containing gas giants.

D. Its dependence on the effect that Jupiter's gravitational shield has on Earth was difficult to recognize prior to 1995.

E. It has been contingent on conditions elsewhere in Earth's solar system as well as on conditions on Earth itself.

答案:E

解析:题干问planetary scientists 最有可能同意哪个观点,而且是与the development of complex life forms on Earth有关,定位至第二段开头处开始阅读,运用排除法得出答案。

3. The author of the passage most likely mentions Mars' "oscillating tilt" primarily in order to

A. Provide evidence for a proposition about the potential effects of cometary impacts

B. Emphasize the absence from our solar system of "normal planets"

C. Contrast the rotational axis of Mars with that of Venus

D. Characterize the role of other planets in the solar system in earth's development

E. Emphasize the importance of the Moon to the development of life on Earth

答案:E

解析:题干问为何提及Mars会震荡倾斜,定位至最后一段会发现后文提及了Venus与Mars是相反的,因此答案选C。

逻辑阅读

Anaerobic glycolysis is a process in which energy is produced, without oxygen, through the breakdown of muscle glycogen into lactic acid and adenosine triphosphate (ATP), the energy provider. The amount of energy that can be produced anaerobically is a function of the amount of glycogen present—in all vertebrates about 0.5 percent of their muscles’ wet weight. Thus the anaerobic energy reserves of a vertebrate are proportional to the size of the animal. If, for example, some predators had attacked a 100-ton dinosaur, normally torpid, the dinosaur would have been able to generate almost instantaneously, via anaerobic glycolysis, the energy of 3,000 humans at maximum oxidative metabolic energy production.

The passage‘s suggestion that the total anaerobic energy reserves of a vertebrate are proportional to the vertebrate's size is based on which of the following assumption?

A. larger vertebrates conserve more energy than smaller vertebrates

B. larger vertebrates use less oxygen per unit weight than smaller vertebrates

C. the ability of a vertebrate to consume food is a function of its size

D. the amount of muscle tissue in a vertebrate is directly related to its size

E. the size of a vertebrate is proportional to the quantity of energy it can utilize

答案:E

解析:文本是关于无氧糖酵解产生能量的过程,且提出动物体积越大,所产生的能量储备也就越多。以恐龙为例,说明其遭遇攻击所能产生的能量之巨大。题干中问“the total anaerobic energy reserves of a vertebrate are proportional to the vertebrate’s size”这一论点是根据哪一条假定推断出来的,通读选项不难得出E。

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