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

2???????????98?

3?????

4?sn???????

5?????

??????????????????????????????11?????????25????????????????????? ?????????????(???????“?”)25?????,??????10?,????????????????,?????????????,??????????????????????????,????

????,??????“????????????”“??????????”“????????”??,??,???

??????????,??????????????10????????????????????????????????????93.12?????,???94.87??????????????1.75???????????????,???????????,??????????,???????????,?????,????????????????,??????????????,???????????,???

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

????????????,10???????9?????0.83???????????????????????,?????????????????????????,???,?????????????????????,?????????????????????10??????????????,??????

??,10??,???????,?????????????,????????????????,10?????,??????????????,??????(????????????????????) ??????:???