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

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

3????????

4???????

5?????????

??2???????????5? (?????????????? ??)?????5???

?????????????????????????

???????:????????,???????????,????????????????????????????????,?????

???????????????,??????????,???

?????????50??,??????????,???????????????????,??????????,????50????????,?,???,???,???,??????,???????????????,??????????????????????(????) ???????:??????????????????