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

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

3???????

4??????????

5???????

????????????????2??????????????????????21?????? (??????? ???????????????)????????????20???,????«???»??????????7????????,????????????????????????????????

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

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

???????????,????????????????????????,?????????????????????????????,????13?????

?????,???????????,?????????????????????1?????????????????????????12????????????????????97%?

???86???

?2?1??,???,??????25%????,??????????????10%???2???????3????,??????????????????????,???????????,?????????30????????????2???????????????????????????????10?????,??3??????????????????????12??????25%??(????????????????????) ?????:???????