Chinese characters have played a significant r_______(1) in the development of the outstanding culture of the Chinese people. Chinese characters are one kind of the most a______(2) characters. In the world, there were originally ancient Sumerian and ancient Egyptian letters. However, the two d_______(3) successively and only Chinese characters r________(4) extant. Chinese characters, based on pictographs and combining shape, s_______(5) and m______(6) are a kind of u_______(7) block-shaped characters with meanings. Chinese characters originated from d_______(8) . Archaeological researchers found many s______(9) carved on earthenware e_________(10) from Banpo Village in Xián City and Jiangzhai Village in Lintong .