?:??????
“??????????”????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
????????????“?”?
????????????“?”?
??
????:
1???????????:???????????
2?????Q
3?????QQ?
4????????????
5???????
?:??????
????
6
%
???:??