?? ????????????20???!??!
????:1???????:???????????
2?????????
3??????V
4???????????
5?????qq?
????1????4???(????????????? ????)1??????4?,????????????
??????????????????,??????,???????????????????,?????????????????????????????????????????????????????,??????????????,??????????????????
??????????????????,??,??,???????,????,???,????
???,??????40???,????20????
??????????????,????????,??,???????99999??????????????,????36.8??? ?????????????:???????????