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

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

3??????????

4?????????

5????????

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

“??”?????

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

???? ??????

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

???

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

?

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

??:????