• 2022-06-08
    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.
  • D

    内容

    • 0

      中国大学MOOC: The celestial model Zhang Heng constructed was almost a physical model of Ptolemy’s earth-centered theory.

    • 1

      People should think about a workplace fashion trend very carefully before relying on it.

    • 2

      In China people usually think that baseball is very dangerous and _______ people like it. A: little B: few C: A few

    • 3

      The car is very small and only 2 people can _________.

    • 4

      What they produced has not much _______ value. But it is very useful to their research.