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

2???????

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

4??????

5???????

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

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

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

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