??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
?????
??????
??????
??????
??????
??????
??????
??
??(????????)?????
??(????????)?????
??
????:
1??????????:???????????
2???????
3????????
4???????????
5?????????
????
6
%
???:??