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

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

3?????

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

5??????????

??2???????12????? (???? ??????????????????????)???????????????……???????????????????????????????????????10????????15?,12??,???????

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

2???????????????????12??????,????? ????????? ??

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

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

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

?????:???