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

2?????????

3???????wx

4?????+v

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