????:1?????QQ?:?????????

2?????????????

3???????

4??????????

5???????

????12??????19???????????????? ????????????:????????,?????????,???????????????????????

?????????,?????,??????????,???????????????????????,?????????????;??????????,??????;???????????????????,????????????;???????????,???;?????????????????,????????,???,?????????????????????,??????,????????????????????,???????

????????????????????????????????????,??????????????????????????????????,????????,???????????,??????,???????????????«????????»«??»«??????»????,????,???????;????????;???;???????,??????????

????????????:???