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

2?????????100?????

3???????????3000

4????????

5???t???????

11??????????29?,??“???”??????????????????,????????,??,???“????????????”??????????????45??????????????,?????????,60%??????,???30???????

?????????,????????,?????????????????????????,???????,?????5??????????????

????,???,???????????????,????????,??,?????????????????????????,????????????????????,??????????30?????(??????????????? ? ?? ?????????)

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