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

2??????????

3?????????????

4?????????

5???????

????????(??):????????????(10??????????????12?)????????????,???,??????????????????????5??

??23???,?????????30%???????????,???????????????????10????????????????,???“???????????”?

?????,????????????????????7???????,??1200?????,??????????27?????????????42???70?????80???,???40???2??10???7????????????42?????????????????

??,???????????????????????????????????????,?????70%????,?????13?? ????:???