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标题: 狒狒逻辑97 [打印本页]

作者: zhongyaya    时间: 2010-9-15 07:06     标题: 狒狒逻辑97

97. A scientific theory is a good theory if it satisfies two requirements: it must accurately describe a large class of observations in terms of a model that is simple enough to contain only a few elements, and it must make definite predictions about the results of future observations. For example, Aristotle’s cosmological theory, which claimed that everything was made out of four elements---earth, air, fire, and water---satisfied the first requirement, but it did not make any definite predictions. Thus, Aristotle’s cosmological theory was not a good theory.
If all the statements in the passage are true, each of the following must also be true EXCEPT:
(A) Prediction about the results of future observations must be made by any good scientific theory
(B) Observation of physical phenomena was not a major concern in Aristotle’s cosmological theory.
(C) For elements can be the basis of a scientific model that is simple enough to meet the simplicity criterion of a good theory.
(D) A scientific model that contains many elements is not a good theory.
(E) Aristotle’s cosmological theory described a large class of observations in terms of only four elements.

答案是B。
我想问C项不是只满足了第一个条件吗,并没有满足第二个条件 it must make definite predictions about the results of future observations,为什么也是good theory呢?

请NN指点

作者: linglingdan    时间: 2010-9-16 06:45

我读下来,觉得B从原文中无法推出,原文讲得是a large class of observations of a model和physical phenomena无法对应。

其次C选项,我觉得可能是four elements而不是for elements吧,就算仍然是for elements,楼主对这句话的理解可能有点问题。这句话的核心意思是:简单的elements满足了好理论简洁性这个标准。满足了其中的一个标准并不意味着它就构成了好理论,所以这和原文的意思是相符的。
作者: xiruihuang    时间: 2010-9-16 20:01

楼上关于C选项解释正确,不多赘述。

B,亚里士多德的理论基本四元素是earth, air, fire, and water,他们本身就是物理现象,题中说Observation of physical phenomena (物理现象)was not a major concern,这不是鬼扯么!
作者: zhongyaya    时间: 2010-9-17 06:41

就是说好的理论有两个标准,其中simplicity则概括了第一个标准,对吗?




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