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

2???????????

3?????????

4???28????

5?????????

??????????????8???23???????????? (???????????? ??????????????)??????23??????????????????,???????????????????????15??????????260?????,??

???,?,?200??????????????“????????”??????????????????????,?????????????,????????

8??????????????23????????????,???????????,?? ???? ?????????????????

????,????,???????????????????500???????1000?,?????????????????????????????A?????B????????????????????????????????????????????????????

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

????????500??,???,??????,?????,????,??

??????????500?????????A??“??????????,??”?,?????????????,????????????,????“?????????,??”(?)

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