问题描述：
英语翻译
文字发明前的口头知识在传播和积累中有明显缺点，原始人类使用了结绳、刻契、图画的方法辅助记事，后来用特征图形来简化、取代图画。当图形符号简化到一定程度，并形成与语言的特定对应时，原始文字形成。
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问题解答：
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Until now,most of chinese people still called themselves"Han",while the Huaxia Nationality is gradually called the "Han nationality" .
Verbal knowledge has its obvious shortage in spreading and accumulation before the invention of characters.Ancient people used roping,carving and drawing to help recording things.later,they used characteristic figure to simplify instead of using drawing.When the graphic symbol had been simplified into some degree,and could be corresponding to the language,the original characters had been formed.
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