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GRE阅读题目解析:视觉能力

2017-03-20 09:54:00来源:网络

  P5

  1

  Our visual perception depends on the reception of energy reflecting or radiating from that which we wish to perceive.

  我们的视觉,靠接收被观察目标发射或反射的能量。

  2

  If our eyes could receive and measure infinitely delicate sense - data, we could perceive the world with infinite precision.

  如果我们的眼睛可以接收和区分无限精微的感受数据,就可以在无限精度上观察这个世界。

  3

  The natural limits of our eyes have, of course, been extended by mechanical instruments; telescopes and microscopes, for example, expand our capabilities greatly.

  当然,我们眼睛的自然局限被机械工具拓展了;比如望远镜和显微镜就极大地增加了我们的观察能力。

  4

  There is, however, an ultimate limit beyond which no instrument can take us; this limit is imposed by our inability to receive sense - data smaller than those conveyed by an individual quantum of energy. (97 words)

  然而,还有一个任何借助工具也无法跨越的终极限制;因为我们不能接受小于单位量子的能量所传递的感受数据。

  9. Which of the following describes a situation most analogous to the situation discussed in the last sentence?

  (A) A mathematician can only solve problems the solution of which can be deduced from known axioms.

  (B) An animal can respond to no command that is more complicated syntactically than any it has previously received.

  (C) A viewer who has not learned, at least intuitively, the conventions of painting, cannot understand perspective in a drawing.

  (D) A sensitized film will record no detail on a scale that is smaller than the grain of the film.

  (E) A shadow cast on a screen by an opaque object will have a sharp edge only if the light source is small or very distant.

  选 D

  D 敏感性底片无法记录小于一个照片颗粒点(grain)的细节。

  把照片放大就会看到这种颗粒,每一颗粒都是照片上表现色彩的最小单位,每个颗粒的颜色是单一的。

  也可以类比为显示器的像素,而当显示器或手机显示屏发展到人眼无法分辨出一个单一像素的时候,这种限制就消失了。

  以上就是新东方在线GER频道为你带来的GRE阅读题目解析:视觉能力,更多精彩敬请关注新东方在线GRE频道。

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