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

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

3????????

4????????

5?400??3?????????

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

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

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

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