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  3. In general, the ancient Romans were a practical people. They cared less about philosophy and pure mathematics than the Greeks di

In general, the ancient Romans were a practical people. They cared less about philosophy and pure mathematics than the Greeks di

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问题     In general, the ancient Romans were a practical people. They cared less about philosophy and pure mathematics than the Greeks did. The Romans were the best of the ancient engineers and architects. They were brilliant students of Greek geometry and trigonometry (三角学) , and they applied their knowledge to the construction of fine bridges, roads, aqueducts(渠道) , and public buildings.
    They knew about the smelting of iron ore, but they used the iron they produced mainly for spears, swords, and shields, rather than for building construction.
    While the Romans accomplished practical wonders, they did very little theoretical scientific thinking. Because of their frequent wars, many of their inventions were no more than improvements in the design of Greek weapons with which they were familiar.
    There are two reasons for the Roman neglect of philosophy and pure mathematics. First, they were apparently too busy conquering nearby nations and forming them into a rapidly growing empire to waste much time on abstract thinking. Secondly, they were handicapped (妨碍) by the rigidity of their numerical system. (Try to multiply XI by LVII or to divide CXLIII by IX; it simply cannot be done with pencil and paper. ) The Romans did all of their arithmetic on an abacus, the ancient counterpart of the modern computing machine. Their number system discouraged the study of pure mathematics.
The author of this passage probably wanted to explain why______.
选项 A、he considered the Romans a practical people
B、Roman architects and engineers were the best in ancient times
C、theoretical thinking is necessary for the growth of a nation
D、the Romans contributed little to philosophical thought
答案A
解析 该题目为一道主旨题。从结构上看，第一段第一句应该是该段和全文的主题句(topic sentence)，以下内容全是就这个主题展开的。第一段说他们不关心抽象和理论的东西，把所学的知识很好地用于建筑。第二段讲他们也懂得炼铁技术，但是他们把这个技术应用于铸造兵器，用于连年战争。第三段讲他们创造了一个个实实在在的(practical)奇迹，但是很少做理论的科学思考。第四段说他们讲实际(practical)，不讲理论的原因。综上所述，A项(他认为罗马人是实际的民族)为正确答案。
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