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

2?????

3?????

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

5???????

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

???????,???????,????60%??????,???,????????????????

??????????????????,?????????1800?????????????6?????6?????????????,????????????????6???

???????????????????,????????????????????????????,??????,??800?????

?????????????????????????????????,????????????,?????,????????21???????????

6?????????15???????,?????????,????????,????????????,????????????,??????????74??????85%?????????

?(6??16?????????????)??????????,?????????????????417????,????????13??,??,?????????? ???????????????:??????????