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

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

3??????QQ

4??????

5????????

?????8???????31???? (????? ??????????????????????)??????????????????????8??????31?????????????,8??50.3%,???????????????20???50%??,??????????????????

???????????????????,????,????0.6??0.1??????;???????????????????????????????????,??0.3????????2??????????????

????,8?????????????????,??50.3%,??20??50%???????????????,??????????????????????????????????????50%?????,??????

?????,?????????????8????????,?????50.2%,??????????????0.2?????,?????????????????????,??????????,??????????????????

?????,???????????????????,?????????????????????????????????????55%??????;????????????????,??,???????60%????

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