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攻破新GRE逻辑阅读NO.19

发布时间：2016-03-01 编辑：查字典英语网小编

　　编辑点评：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。本文为大家整理一些新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。

　　How can the hormone adrenaline that does not act directly on the brain have a regulatory effect on brain function? Recently, we tested the possibility that one of the hormone s actions outside the brain might be responsible. Since one consequence of adrenaline release in an animal is an increase in blood glucose levels, we examined the effects of glucose on memory in rats. We found that glucose injected immediately after training enhances memory tested the next day. Additional evidence was provided by negative findings: drugs called adrenergic antagonists, which block peripheral adrenaline receptors, disrupted adrenaline s ability to regulate memory but did not affect memory enhancements produced by glucose that was not stimulated by adrenaline. These results are as they should be if adrenaline affects memory modulation by increasing blood glucose levels.

　　10.The author refers to the results of the experiment using adrenergic antagonists as negative findings most likely because the adrenergic antagonists

　　failed to disrupt adrenaline s effect on memory

　　did not affect glucose s ability to enhance memory.

　　did not block adrenaline s ability to increase blood glucose levels

　　only partially affected adrenaline s ability to enhance memory

　　disrupted both adrenaline s and glucose s effect on memory

　　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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