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2017年6月大学英语四级阅读真题�答案公布(�一)

  2017年6月英语四级阅读部分答案 考�看讲师解�对答案> 在线真题模拟>>

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  26.O vigorous

  27.I phenomenon

  28.E effectively

  29.G involved

  30.M solution

  31.D cycling

  32.C control

  33. J preventing

  34. N sufficient

  35. F increased

  �原文】

  As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes. Fear not, however, for coffee can perk them right up again. During vigorous exercise, our muscles tire as they run out of fuel and build up waste products. Muscle performance can also be affected by a phenomenon called “central fatigue,� in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements effectively. It was not known, however, whether central fatigue might also affect motor systems not directly involved in the exercise itself—such as those that move the eyes. To find out, researchers gave 11 volunteers a carbohydrate solution either with a moderate dose of caffeine—which is known to stimulate the central nervous system—or as a placebo without, during 3 hours of cycling. After exercising, the scientists tested the cyclists with eye-tracking cameras to see how well their brains could still control their visual system. The team found that exercise reduced the speed of rapid eye movements by about 8%, preventing their ability to capture new visual information. The caffeine—the equivalent of two strong cups of coffee—was sufficient to counteract this effect, with some cyclists even displaying increased eye movement speeds, the team reports today in Scientific Reports. So it might be a good idea to get someone else to drive you home after that marathon.

  �答案解�】

  26. 本题是在文中的第三��中出现,根�该�的语法结构,�现26题所在处的���性应为形容�,修饰exercise,�系上文中�到“锻炼�以消耗身体中的肌肉�,由此得知本�的��为�过大�锻炼�,我们的肌肉�得疲惫,因此此处应填入“vigorous�表示“剧烈的�动�。

  27. 本题是在a和called “central fatigue�中间出现,根�语法结构,�以得出此处应填入的���性为��,��的called “central fatigue���置定语修饰�定��的��,然�根�本���“肌肉的表现也会被一�称之为“中枢疲劳�的_____所影��;根�所给出的全部��,选出正确答案为I phenomenon现象一�。

  28. 本题�于���,根�语法结构�以判断出本题�填入的�汇的�性为副�,因此根�该���“人体内化学信使的失调会使中枢神�系统无法______指导肌肉�动�,此处应填入的副�为E effectively 有效地。

  29. 本题�于��motor system(�动系统)之�,且空格�有directly副�的修饰,由此确定该处��的�性应为动�,但由于本�已有谓语动�affect,因此此处应填入�谓语动�,�定修饰��的��motor system;根�文中��,�以确定此处的��应为G involved �与,�“�直接�与锻炼的�动系统--例如眼部�动�。

  30. 本题��有�定冠�a,由此判断此处应为��,根���“either with a moderate dose(适度剂�) of caffeine��以得知此处应该是研究人员给11�志愿者一�溶液。因此,本题应选M solution。

  31. 本题应结�下文进行分�,首先根�题目所在�置�判断此处的�性为��类�汇(包括动��);下文中�到科学家测试骑自行车的人(cyclist),由此�得知��应该是这些人所�的�动应为骑自行车,因此,本题选择D cycling (骑自行车)。

  32. 本题所在部分的��为“大脑如何_____视觉系统�,此处需�填入的���性为动�,根�常识,�以得知大脑控制视觉系统,因此此处选择C control (控制)。

  33. 根�语法结构�得出本题所在部分为��的状语�分,因此需�填入的���性为�谓语动�,根�文章逻辑,得出“锻炼使快速眼动速度�低8%左�,_____他们��新的视觉信�的能力�,此处应为�低/组织��新的视觉信�的能力,因此此处选择J preventing(阻止)。

  34. 本题考查�组��be ______ to,根�文章的逻辑,上文第二��中�到“�用害怕,咖啡�以使眼�快速���,由此,�以推出此�的��为“咖啡因足够消除这�影�,一些骑自行车的志愿者甚至眼动速度增加。�因此,此题选择 N sufficient (足够的;充分的)。

  35. 根�上题的分�,�以快速选出此题的答案为 F increased(增加)。


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