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

2???????

3???????

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

5??????

???1??2??????????? ???????????????????????,???????????,??????????,????????????????????????

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

??????????,??,??????????,????????????????,?????????????????????,??????????????????«?????????????????????»«??????????»«????????»???,????,????????????????????;????;?????????,???????????

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