?? ??????????????????????
????:1??????????????:????98?
2?????
3?????????????
4???????????
5?????????
????12??20?????? ?,????,??,???????????,?24??????????????????
??????,12?17?????????????19??,??????????????“???????????”????18?????1000?????
??????,???24%,?????????????????;???48%,???8????????
??????????,??????????????????????,??????,??????????? ??????:????????????