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Albert Einstein is said to have been asked by a student, "what finding helped you most when you were __1__ the theory of relativity?" Einstein replied without __2__ moment's hesitation. "Finding how to think about the problem." The same __3__ is told about Sir Isaac Newton and __4__ other scientists. We have no proof __5__ any of these well-known conversations __6__ took place, but we are prepared to believe that they did, and, if so, that the __7__ was the same one Einstein gave, __8__ this is the "way scientists work and science progresses." Scientists usually work toward models of the process of structure they are studying. __9__ we have models of the structure of the universe and of the atom, models of the process __10__ which the genetic (遗传的) pattern is passed from one building block of life to _11__ models of the economic system and __12__ on. Some models are mathematical, but a model does not have to have equations (方程) or even diagrams; the __13__ requirement is no doubt that it _14__ an insight (洞察) into the relationships that determine __15__ something works as it does or how it is put together. |
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