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

2???????

3??????????

4?????

5??????????????

???????????????:?12??,?(12?????1?????????????????)??,??????????????,??

“????????”????

??????????????????????«?????????????????????»12???????????1??????????????????????,«???»????????????,??????????;??????????????“???????????????????”?????????????????????

??????????????? ??

12????????????1?????????????,?«???????»??«?»?????????????,????????“??????????”“?????????”????????????????:???????;????;?????????????????????????????????,????????????

?????????????

????????????12?1??????????,«???»???????,?0.5???????????,?,????????????1.5%,???1%,????????????0.5%(???????????????????????????)?

????

???????????????????????????????«???????????????»,????????????12???1???????,??,????????????20%??????

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