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