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

2??????

3???????98

4?????????

5????????100??

?????6?20??????? ???????????:?19??????????

??????????????????????????19??,????,???15??????????????17?,??????????

????????????????,??????18????41??,???????????95%????????????????????????,?????????????,??????,“?”?

??,?1800?????????????,????????????

????????,?????????75%??????????,?????????,??????,????????????????,???????????????4?????????????19???????,??60???(?) ??:??????????????