?? ???????????????????:1?????5?80%
????:1?????????:??24?????
2???????
3?????????
4???????
5???????wx
???????6??18????6????????????????????????????,???????????????3????????????,?????????????????????????????,?,7??????????????????????????????????????????????????4??,31???????(????????)?????????????????????????1-5??,???17.5%,??50%;1-5??????????,?80%,??????????????????????????,????,??????????????(???????????)
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