?? ?????????? ????????????????
????:1????????????:??????
2???????
3?????????
4??????
5????????
???? ????????????(1??????30???????????)???????????,??????????,??????,???????????-2?,???????????
?,?????????1.2?,????????????
????,????????????,??,??,???,???????-2?;??????????,????????,??????-6??
???????,?????????,???,?????????????????;?,????? ??????????????:??????????