????:1???qt???????:????

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

3??????????

4???????????

5???????????

?????????????6???12?????????? ??“???”????????????,5?,????????????,??,???????????10??,????????????????«??????»,??6????????12??14????????????????????????????????????????????????????????????????????????????

????6????12??????,????????,?????????????????????????????,?????????????,????????????,???,???????,????????,????,??????????????????????????????,????????????,??????

?????:???