11??????????????50% ????????

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

???????11??30???? (????????????????? ????)??30??????????????,11???????????????50%,?0.2????????????????,???6??50%??,???????????????????????

???,??,??0.3???????????????0.9????????;????;????????????????????????????????????????????

????????,11?????,??????50%,?????,?????,?????60%???????????????,???????????????;???????52%??????????,????;???????????55%?????????????,??????????????????????????????,??????

?,?????????????????,?????????????????????,?????,????????????????????????????????,?????11????????????????,???????????????,???(???????????????????) ???:????