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

2???????

3???????

4???????

5?????

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

??6????20???????? (???? ??? ??)20????????????????,???,???

?????????(?????????????????????,????????????????????????????),????????????1??3?????????????????????????????????,?????????????????,?????,?????????????????95%????????????,??????????18??

18?????????,?????,???,??24???????????????80?,????????????????1???????????????????,????????????20????????????????????,???????12?????????

“??????,?????5%?????????????????????,?20%30%?”???????,?,????

??????????,?????????,?????,????????????????????????????

“??,????????????????????????????”????????????????,?????,???,????????????????????

“??,??????100????????????”???????????????????????????,“??????????????????????????”(???????????????)

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