??????,????????,??????????120,???????????,????????????

????????????,??,??????????,?????????????120,?????????????,?????????????????????????,???????,“???”

??,????????120???????????????????,???????????????????,???????????????????????“??”?

11???????????25???,?????,???,????????????,“????????????”?????????????????????????????????,?????,????????????

??????????120??????,????????,“??????????,??????????????”??????,120?????????????????,???????(??????? ?) ??:???????? “??????????”????

?? ?????????120,?????????????????????

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

2????????vx

3?????????

4????????

5???????

??????,????????,??????????120,???????????,????????????

????????????,??,??????????,?????????????120,?????????????,?????????????????????????,???????,“???”

??,????????120???????????????????,???????????????????,???????????????????????“??”?

11???????????25???,?????,???,????????????,“????????????”?????????????????????????????????,?????,????????????

??????????120??????,????????,“??????????,??????????????”??????,120?????????????????,???????(??????? ?) ??:????????