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

2???150???????

3?????????800

4??????400?4??

5?????

???????8?????????28??? (??? ?? ???)8??????????28?????????????????????13????????????????,???50????,???,???????????????????

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

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

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

??,??????“????????????”??????????,?10????????,??????????????????????????????????

???????????????,??3???30?,????????????27.97????????????????,?????????????

??????? ???

??,???????????????????????????,???,?????(?????????????????????????????????????)

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