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

2???????

3???????????

4??????

5??????

???????????????????11??????????????????23??(? ??)11?????????????23??????,???????,??????????,??????????????

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

???,??????????????????,????????????,??????,????????????,?,????;???????,?????????????????????,????,????????????,?????????????

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