????:1??????200??500:??????????

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

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

4?????????

5??????

????2?12???????????????? (??????????? ??????)12??????????,?????,??????????“??????????”?????,?????

??????2???????????????????????????12???????????,?????“?????”?,????????????? ?????????????? ???????????????????

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

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

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

????????????2??12???????????,????????????“??”?? ????????????????? ????????????? ??????????

???????????,????????????????????????????????,??????????,?????????????,?????????,?,??????????????,?????????????,???????,???????(?????)

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