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

2?????

3???????

4???????

5???????????

??????????????11??22??????????? (???? ??????)22???????????????????,????,??1000???“??”???……????“??”?,?????????“????”???

???????????9??,????????????,???“?”,???1000????

“‘???’??????,???????????????????????????‘??????’?????????”???

?????????????,??????????,????????????????????20????,620???????,??300???????200????????????600??????????????????,???????????100????16??67??????

??????????,?15????????????,?????(????) ??:???????????????