????:1???????????:??????

2???????????

3?????????

4??????????

5??????????????

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

???????????????,??,????40??????,?????????????????????,??,???

“???????,??”,???????????????,20???90?,?????????2003?????????????,???,???

???,????????,??????,??69.3%????,??????????????????“???”,???????????“???”????

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

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

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

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

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

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

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

?????????

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