日期 2007-10-12 2007-10-19 2007-10-26 2007-11-02 2007-11-09 2007-11-16 2007-11-23 2007-11-30 2007-12-07 2007-12-14 2007-12-21   1、价格 2.46 2.46 2.45 2.46 2.45 2.46 2.47 2.46 2.46 2.46 2.47