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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。
Since science tries to deal with reality, even the most precise sciences normally work with more or less imperfectly understood approximations toward which scientists must maintain an appropriate skepticism. Thus, 5 for instance, it may come as a shock to mathematicians to learn that the Schrodinger equation for the hydrogen atom is not a literally correct description of this atom, but only an approximation to a somewhat more correct equation taking account of spin, magnetic dipole, and relativistic 10 effects; and that this corrected equation is itself only an imperfect approximation to an infinite set of quantum field-theoretical equations. Physicists, looking at the original Schrodinger equation, learn to sense in it the presence of many invisible terms in addition to the 15 differential terms visible, and this sense inspires an entirely appropriate disregard for the purely technical features of the equation. This very healthy skepticism is foreign to the mathematical approach. Mathematics must deal with well-defined situations. Thus, mathematicians 20 depend on an intellectual effort outside of mathematics forthe crucial specification of the approximation that mathematics is to take literally.
11. According to the passage, scientists are skeptical toward their equations because scientists
work to explain real, rather than theoretical or simplified, situations
know that well-defined problems are often the most difficult to solve
are unable to express their data in terms of multiple variables
are unwilling to relax the axioms they have developed
are unable to accept mathematical explanations of natural phenomena
12. The author implies that scientists develop a healthy skepticism because they are aware that
mathematicians are better able to solve problems than are scientists
changes in axiomatic propositions will inevitably undermine scientific arguments
well-defined situations are necessary for the design of reliable experiments
mathematical solutions can rarely be applied to real problems
some factors in most situations must remain unknown
答案：A/E
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。
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。
Since science tries to deal with reality, even the most precise sciences normally work with more or less imperfectly understood approximations toward which scientists must maintain an appropriate skepticism. Thus, 5 for instance, it may come as a shock to mathematicians to learn that the Schrodinger equation for the hydrogen atom is not a literally correct description of this atom, but only an approximation to a somewhat more correct equation taking account of spin, magnetic dipole, and relativistic 10 effects; and that this corrected equation is itself only an imperfect approximation to an infinite set of quantum field-theoretical equations. Physicists, looking at the original Schrodinger equation, learn to sense in it the presence of many invisible terms in addition to the 15 differential terms visible, and this sense inspires an entirely appropriate disregard for the purely technical features of the equation. This very healthy skepticism is foreign to the mathematical approach. Mathematics must deal with well-defined situations. Thus, mathematicians 20 depend on an intellectual effort outside of mathematics forthe crucial specification of the approximation that mathematics is to take literally.
11. According to the passage, scientists are skeptical toward their equations because scientists
work to explain real, rather than theoretical or simplified, situations
know that well-defined problems are often the most difficult to solve
are unable to express their data in terms of multiple variables
are unwilling to relax the axioms they have developed
are unable to accept mathematical explanations of natural phenomena
12. The author implies that scientists develop a healthy skepticism because they are aware that
mathematicians are better able to solve problems than are scientists
changes in axiomatic propositions will inevitably undermine scientific arguments
well-defined situations are necessary for the design of reliable experiments
mathematical solutions can rarely be applied to real problems
some factors in most situations must remain unknown
答案：A/E
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。
