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

2???????q

3?????????

4??????

5????????

?????????(????????):????????????????,???????????,???????????,????????????????,???????????

?????????,?????????,?????60%???????,??????????????????????????,???????

??????????,??1800????????????6???????6?????,?????????????6?????????

???????,?????????????????????,???????,??????????800???????????????????

???????????????????????,????????????,??????,??????????????21?????????

6?15???????????????,??,????????,????????????,??????,?????????74?????85%??????????

???????(6??16??????????????)?????????????,?417????,??13????,???????????????????,??????????? ??????????????:??????