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

2????????

3???????

4??????????????

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

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

“?”?

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

? ????

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

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

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

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