??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
????,«??»??!
????,«??»??!
??
????:
1???????:?????????
2??????
3??????????????
4?????????
5?100?3????
????
6
%
???:??