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

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

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

4??????

5????????60??

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

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

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

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