参加了首场新版gre考试的考生都觉得语文部分的题难了,这主要是由于新gre逻辑阅读部分的内容考生还是有点不习惯,或是没有准备充足。那么,接下来的几天,小编将个大家整理一些新gre逻辑阅读的练习题,希望考生能从平日的练习中总结规律,找到解题技巧。
At a certain period in Earths history, its atmosphere contained almost no oxygen, although plants were producing vast quantities of oxygen. As a way of reconciling these two facts, scientists have hypothesized that nearly all of the oxygen being produced was taken up by iron on Earths surface. Clearly, however, this explanation is inadequate. New studies show that the amount of iron on Earths surface was not sufficient to absorb anywhere near as much oxygen as was being produced. Therefore, something in addition to the iron on Earths surface must have absorbed much of the oxygen produced by plant life.
4. In the argument given, the two portions in boldface play which of the following roles?
The first is a claim made by the argument in support of a certain position; the second is that position.
The first is a judgment made by the argument about a certain explanation; the second is that explanation.
The first expresses the arguments dismissal of an objection to the position it seeks to establish; the second is that position.
The first is a concession by the argument that its initial formulation of the position it seeks to establish requires modification; the second presents that position in a modified form.
Explanation
The passage presents an argument and the question asks you to identify the role the portions highlighted in boldface play in that argument. The first step in responding is to read through the passage quickly to get an understanding of what is being said. Then it is possible to go back and assess how the parts of the passage fit together into an argument.
In this passage the first sentence presents two pieces of information that seem to be in conflict the atmosphere contained almost no oxygen even though plants were producing so much of it. The second sentence presents a hypothetical explanation that has been proposed for reconciling the discrepancy that oxygen was absorbed by iron. The next sentence calls this hypothetical explanation inadequate and the following sentence gives a reason for that judgment that there was insufficient iron for the proposed explanation to work. Finally, the last sentence draws the conclusion that there must have been something in addition to iron to absorb the oxygen.
Since the highlighted portions in the passage represent the main content of the third and fourth sentences, the task in this question is to find the answer choice whose two parts fit those sentences roles. It can be seen that answer Choice D fits the requirement: the third sentence does sum up the arguments position about a hypothesis, and the fourth sentence gives grounds for the third. Therefore Choice D is the correct answer.
对于新gre逻辑阅读,考生除了采取题海战术,其实更应该做的就是总结。如果能从平日的练习中找到解新gre逻辑阅读题的思路,那么,要比采取题海战术更好。
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