新GRE逻辑阅读 每日一练18

　　编辑点评： GRE阅读考试的材料，非常强调逻辑的关系，所以逻辑要点是大家在解GRE阅读题的时候的关键，本文就为大家例举了这样一篇逻辑短文，供大家参考和练习。

　　随着GRE阅读考试的难度日益增加，大家需要有针对性地进行练习，本文为大家例举的就是逻辑短文的练习，文末还附有答案，供大家更好地练习。

　　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.

　　9. 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.

　　答案：D

　　上文的题目大家答对了几题?大家不仅要多做题，更要善于总结，这样才会有针对性地提高。