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

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??(?????) ????????:????