中国大学MOOC: The celestial model Zhang Heng constructed was almost a physical model of Ptolemy’s earth-centered theory.
举一反三
- The celestial model Zhang Heng constructed was almost a physical model of Ptolemy’s earth-centered theory. A: 正确 B: 错误
- 中国大学MOOC: ¡The Heckscher-Ohlin theory of trade differs from the Ricardian model by assuming that there are only two goods.
- Which model is constructed by the factor analysis?
- 中国大学MOOC: Which model does not belong to the object oriented analysis model?
- A model can be accurately described as a: () A: theoretical abstraction with very little value. B: device that is useful only to the people who created it. C: realistic and carefully constructed theory. D: simplification of reality.