????:1?????????????:??????????

2???????

3??????V

4?100??????

5??????????

24??,???????????21???????????????????????????????????????????????,109???,??????????

???????????21??????????????????????????????,??109???????????????????????????93??????,???????????????????70%,????????????,??????????????69%?

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

???????,?????????????11????????????? ????:?????????????????