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 2.06 2.69 2.59 2.57 2.54 3.07 3.13 2.97 3.23 3.59 3.94