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

2?????

3???????

4???98?

5?????95?

??9?????????????????22?????,?????????,?21???

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

????,?50%??????????????????????,?????????????????????

????????38?????,??????????????????

??????????????????????7?????????????????,?????????????11?17???????????????????????????,?????????????1?????????2????9??21???????????7????,????????????(??????????? ??????????????)

?:???