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

2?????????

3?????90?????

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