??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
???“????????”??????,42?????????
???“????????”??????,42?????????
??
????:
1?????,600??????:????????
2???????
3???????
4?????
5??????????
????
6
%
???:??