????:1?????????v:????QQ?

2????????

3?????????????

4?????????

5????????

?11??22? ??????????,??22???????,?5.4??????????,???“?”?

??,??????22??18?45???20????22???20?????????40???20?????43??21??????????29???,???????20???40?5.4??????????????????,?23.2???120.18?,?23.2?????,???????????7.7??????????????

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

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

????????????,22????20???40?????4.7?????????(??????????) ?????:???????????