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

2????????

3???????

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

5????????

?????6??????21?? (? ??)???????????,?????,?,?????????????????????????

???????????????

?????,?????????10??????17??;??????????1????????????2??????????????????????

?,??????,?????1??????;?????????2??3??

?????,?7????????????1??????????????????,?????????1?????????????;??????????????

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

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