????????“???”????????????

????:????????:??????1000

????2?21?????? (??????????????)?????21?????????,?????????????????,??????????,?????????????????,????“???????????????”??,??????????????????

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

????????????,????????????????????????????????????????????????,??????,??16?????????,??23??????,???13?????35???45??,????????50%?

??????,???????????????????,??;???????????,??????????????????????????????,?????????????????????????1????????????,????????(??????????????) ???????????:??