• 2021-04-14
    When was a magnetic needle invented, although there were various forms of compasses used in ancient china?
  • During the Song Dynasty.

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      In ancient China , people used something round to symbolize the moon EXCEPT __________.

    • 1

      Of the following names, which one was once used by the Westerners to call ancient China?

    • 2

      The origin of Chinese writing can be ________ back to ancient China although we are not certain of the date of its invention.

    • 3

      Under the setting of mining level in China, single level or ______ development is widely used in various mine development.

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      The philosophy in pre-Qin times was marked by the emergence of various ancient philosophical views. The most influential schools were Confucianism, Taoism, Mohism and _______.