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 3______ about the problem."
The same 4______ is told about Sir Isaac Newton and 5______ other scientists. We have no proof 6______ any of these well-known conversations 7______ took place, but we are prepared to 8______ that they did, and if so, that the 9______ was the same one Einstein gave, 10______ this is the way scientists work 11______ science progresses.
Scientists usually work toward models of the process or structure they are studying.12______ we have models of the structure 13______ the universe and of the atom, models of the process 14______ which the genetic （遗传的）pattern is passed from one building block of life to 15______， models of the economic system and 16______ on. Some models are mathematical, but a 17______ does not have to have equations（方程式），or even diagrams ； the 18______ requirement is no doubt that it 19______ an insight （洞察力）into the relationships that determine 20______ something works as it does or how it is put together.
12
A、Otherwise
B、Nevertheless
C、Still
D、Thus
【正确答案】：D
【题目解析】：结合第一句话，科学家通常致力于研究过程或结构的各种模型。接着下文提到我们有宇宙和原子结构的模型，经济体制的模型等等，再结合选项中的词，可推测出第一句和本句是因果关系，因为科学家研究了各种各模型，我们才会有……。AB均表示转折。答案为D。
