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GRE阅读模拟练习题（1）

发布时间：2016-03-01 编辑：查字典英语网小编

　　Our visual perception depends on the reception of energy reflecting or radiating from that which we wish to perceive. If our eyes could receive and measure infinitely delicate sense-data, we could perceive the 5 world with infinite precision. The natural limits of our eyes have, of course, been extended by mechanical instruments; telescopes and microscopes, for example, expand our capabilities greatly. There is, however, an ultimate limit beyond which no instrument can take us; 10 this limit is imposed by our inability to receive sense- data smaller than those conveyed by an individual quantum of energy.

　　Which of the following describes a situation most analogous to the situation discussed in

　　the last sentence?

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

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

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

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

　　 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.

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