?? ????????????:????1?????
????:1??????????:????q?
2????????
3????????
4????????
5?????????
???11???????????27? ??????27???,???,???1???
?????????:???10???27???,????????,????????????????????????,?,??????????????,????
??,?????????,???27??????????????????4?????????????
??????,??60?????????????,???????????????????????
????,??????????????????????,????????????????????????????,???????
???????:???????????????