????:???
“??????????”_????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??????70?????
??????70?????
??
????:
1???????????:????q?q
2???????
3?????
4??????
5???????
????:???
????
6
%
???:??