????:1????????100??:?????qq?

2??????

3??????

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

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

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

“?”???????????????

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

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

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

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

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

??

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

???:??????????????????????????