??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??????????????????? 1?????8?
??????????????????? 1?????8?
??
????:
1???????100???:??????
2???????100?????
3?????????
4???????
5????????????
????
6
%
???:??