????:1??????????:??????q

2???????

3?????????

4???????????

5???????

???7??28????????????? (? ??????????)27?????????????,????????70??????????????????????????

????????????,???????????????????“???????????????????????????????”,???????????????????2008??????????????,???

??,???????????????????????????,????????????,??????????????

27???,???????????????

?,??????,???????,???

“?????????,?????????????????????”?,??,??????????????

?????????????,??,??????????

???,???????257.49???????????????????,???????13.29%;???????16.62???????,?????????????50.54%?(??)

??????????????????:??????????????????????????????