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

2???????

3??????????

4??????????

5????????

?? ????????:“??????????????,????????,?????????????……”??????????(2??????????13????????????????)??,?????????,???“????????”,??????????????,?,???

??,??,????????3.69?,??????????1.29?,?,???????

??????????????,????????????, ??,????0.12????????,?,??,??,??????????3.73?,???????1961????????????????,??,?????????????4.49??

???????,???????,??,?????????????????????????10???,?,??????????????10??

??(2????????????13????????????21??),?????????,???????????????,???????????,????15?????????,????????????,???????????5??????????,??10?????????,????,??,???????(??????/?????? ??????)

????????????????:?????