日期	2007-09-14	2007-09-21	2007-09-28	2007-10-05	2007-10-12	2007-10-19	2007-10-26	2007-11-02	2007-11-09	2007-11-16	2007-11-23	2007-11-30
1、价格	1.77	1.79	1.82	1.84	1.88	1.89	1.89	1.89	1.89	1.89	1.89	1.80