“纸币产生”内容的修改彰显教材的生活化特点对纸币的产生,旧教材表述为:金属货币最初是以金银条块的形式流通的,每做一笔交易都要核实重量、检查成色,很不方便,于是就出现了具有一定形状、重量、成色和面额价值的铸币。金属铸币在长期流通过程中会逐渐磨损,成为不足值的货币,一般情况下并不影响它同足值的铸币一样使用。 “Banknote generated ” content changes to highlight the life of the teaching material characteristics of the generation of banknotes, the old textbook as follows: the metal currency was originally in the form of gold and silver bars in circulation, each done a transaction to verify the weight, check Condition, very inconvenient, so there has been a certain shape, weight, color and denomination value of the coin. Metal coins in the long-term circulation process will gradually wear and become a currency of insufficient value, under normal circumstances does not affect it with the same value as the use of coins.