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

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

3?????????

4?????100???????

5???????950??

??2?????21?????? (????)????????21??????????????,????????????????,???????????????,????,??“????”??????,?????????

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

?????????????????,??????????????????????,??????????????????????????,?????????16?????????,??????????23??,??????????13?????????????????35??????????????????45???,??????????????50%?

??????,?????,?;????????????,???????????????????????????????????,??????????1??,????????(?????????) ???????????:???????????????