緊張的考試終于畫上了圓滿的句號(hào)，本次GRE考試大家考得怎么樣呢？本站第一時(shí)間追蹤GRE考試信息，為大家及時(shí)公布GRE真題及答案解析，敬請(qǐng)關(guān)注出國(guó)留學(xué)網(wǎng)！以下是出國(guó)留學(xué)網(wǎng)為大家整理的2016年5月27日GRE閱讀真題答案及解析，供大家參考!
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    Recently，researchers investigated the foraging profiles of bird species in two separate eucalypt forests in Australia Dryandra in Western Australia and the Southern Tablelands，roughly 3000 km east in New South Wales. Despite their geographical separation，there is a broad overlap in species between the two locations. However，at Dryandra，a much larger proportion of species (61 percent) than at the Southern Tablelands (34 percent) are ground foragers.
    The high proportion of ground forages in Dryandra might be explained by the openness of habitats there，that is，the absence of dense ground vegetation，and the lack of a continuous shrub layer. Ground foraging appears to be facilitated by an open habitat with areas of bare ground. However，the researchers found that the Tablelands were also open with sparse to dense litter layers，abundant in woody debris，and had discontinuous or absent ground and shrub layers. Thus，differences in habitat structures between these areas and Dryandra cannot entirely explain the greater abundance of ground foragers in Dryandra.
    The researchers offered several hypotheses to explain the difference. First，there may be important differences in habitat structure that are not revealed by casual observation. For example，differences in tree heights and canopy complexity may contribute to differences in species richness and foraging behavior among bark- and foliage-foraging birds. Second，despite structural similarities，it is possible that there are differences between habitats in the abundance or availability of litter and ground dwelling prey. Such differences，if they exist，may indicate fundamental differences between eucalypt ecosystems in how and where energy and nutrients are cycled，as well as in overall productivity. Finally，the differences in foraging profiles between Dryandra and the Tablelands may be the result of historical changes in bird species as a consequence of changed grazing and fire regimens，the impact of introduced predators， such as foxes and feral cats，and logging following European settlement. The greatest impact of these processes is on ground-foraging and ground-nesting birds. Dryandra had not been free of these changes，but the impact may have been less or more recent with the result that Dryandra may retain a more natural or complete bird diversity relative to the Tablelands.
    1. Which of the following best describe the organization of the second paragraph?
    (A) A thesis is proposed and supporting examples are provided.
    (B) A thesis is presented，considered，and then rejected.
    (C) opposing views are described and the evidence on which they are based is evaluated.
    (D) An argument is described，rejected，and then an alternative is proposed.
    (E) A hypothesis is presented，weighed，qualified，and then reaffirmed.
    2. Which of the following best describes the function of the highlighted sentences in the context of the passage as a whole?
    (A) It reconciles two conflicting theories discussed earlier in the passage.
    (B) It provides an example of a general tendency described earlier in the passage.
    (C) It suggests the relevance of phenomena mentioned in the previous sentence.
    (D) It provides support for a claim made in the first paragraph.
    (E) It provides evidence for a hypothesis discussed in the second paragraph
    3. The passage suggests which of the following about “canopy complexity”?
    (A) Decreased canopy complexity can lead to a greater abundance of ground foragers.
    (B) Increased canopy complexity usually helps in retaining a more natural bird diversity.
    (C) Increased canopy complexity is usually detrimental to ground-nesting species.
    (D) Differences in canopy complexity between two regions are not always obvious.
    (E) Differences in foraging behavior among foliage-foraging birds can lead to differences in canopy complexity.
    4. The author suggests which of the following about “foxes and feral cats”?
    (A) They may have benefited from the logging that followed European settlement.
    (B) They probably affect the overall productivity of the ecosystem.
    (C) They feed primarily on ground-foraging birds.
    (D) They rarely， if ever， feed on tree-nesting birds.
    (E) They may have had a smaller impact on Dryandra than on the Tablelands.
    參考答案：B C D E
    The finding that there were rock-melting temperatures on asteroids for sustained periods is puzzling：asteroids' heat source is unknown，and unlike planet-sized bodies，such small bodies quickly dissipate heat. Rubin suggests that asteroids' heat could have derived from collisions between asteroids. Skeptics have argued that a single impact would raise an asteroid's overall temperature very little and that asteroids would cool too quickly between impacts to accumulate much heat. However，these objections assumed that asteroids are dense，solid bodies. A recent discovery that asteroids are highly porous makes Rubin's hypothesis more plausible. When solid bodies collide，much debris is ejected，dissipating energy. Impacts on porous bodies generate less debris，so more energy goes into producing heat. Heat could be retained as debris fall back into impact craters，creating an insulating blanket.
    1. The passage suggests that one factor that has made it difficult to account for the temperatures once reached by asteroids is
    A. a miscalculation of the frequency of asteroid collisions
    B. a misconception about asteroids' density
    C. a mistaken assumption about what the heat source of the asteroids was
    D. an underestimation of the rate at which small bodies lose heat
    E. an erroneous view of how asteroids were formed
    Consider each of the choices separately and select all that apply.
    2. It can be inferred from the passage that Rubin disagrees with skeptics mentioned in the passage about which of the following?
    A. Whether porous bodies generate less debris when struck than do solid bodies
    B. The temperatures asteroids would have to reach for their rocks to have melted
    C. The likely effect of impacts on asteroids'temperatures
    參考答案：B C
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    GRE閱讀備考的三點(diǎn)建議
    建議一：對(duì)文章結(jié)構(gòu)的把握
    文章結(jié)構(gòu)是做閱讀題整體思路的關(guān)鍵。掌握了文章結(jié)構(gòu)就知道文章大體的行文脈絡(luò)，文章的大體意思也差不多了。文章的結(jié)構(gòu)類型以及標(biāo)志詞，以及文章結(jié)構(gòu)類型和主旨題之間的關(guān)系，仔細(xì)分析一道主旨題的正確答案是怎么闡述原文篇章主旨和結(jié)構(gòu)的，其實(shí)這個(gè)正確答案就是文章的中心句的改寫形式，最重要的就是找出原文中的中心句，這是幫助讀者更深刻地理解原文結(jié)構(gòu)的有效辦法。
    建議二：對(duì)?？伎键c(diǎn)的熟悉程度
    俗化說，知己知彼，百戰(zhàn)百勝。要想迅速攻克GRE閱讀難關(guān)，就要了解出題者的思維。根據(jù)題目反推原文考點(diǎn)，題目都考了原文哪些內(nèi)容，自己有沒有關(guān)注到這些內(nèi)容并做標(biāo)記，這些內(nèi)容都有什么可總結(jié)的規(guī)律、特征詞。這樣總結(jié)非常重要，如果堅(jiān)持下去，很短一段時(shí)間后，就會(huì)發(fā)現(xiàn)一些固定的原文出題點(diǎn)，日后再讀原文的時(shí)候也就會(huì)自然而然地關(guān)注它們了。
    建議三：對(duì)錯(cuò)誤題的總結(jié)分析
    分析錯(cuò)題，做錯(cuò)的題一定不能放過，看它們與正確答案之間的差別在哪里，在分析錯(cuò)題的同時(shí)更要關(guān)注正確答案與原文定位處的敘述之間的改寫關(guān)系，尤其是詞與詞的對(duì)應(yīng)關(guān)系。當(dāng)然除了這三點(diǎn)外還有很多可以總結(jié)的，比如詞匯、難句等，總結(jié)是提高的關(guān)鍵，特別是在GRE閱讀中，只有多總結(jié)，從總結(jié)中不段進(jìn)步，不段提高，這樣我們的閱讀水平才會(huì)得到提高。
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