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

2?????

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

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

5??????

???????????10?28????????????????? ????????????????????28??“??????????????????”,?????800?????????????45????????????????????,????,????????????

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

??????????????(????)?????(????????)?????(???)???????????????????? ??

??,????????45??????????????????,???????????,?????????????????????????,????500????????,?????????(?????)?,??

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

??“?????”??????? ?????????????????

?45?????????????,???????????????,???????,???“?B?”?“????????”??“????????”?????“????”????????????????????????????“????????”???????“???”?????????,?,??4.5???????1050????(???????????)

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