????:1????????:??????vx

2?????????

3?????vx

4????????????

5???????

?????????????????????????(?)?????????????????????11?????23????28??,???????????????,??????“?????????”?

????????????,????????????,??????????,???????

10?????????????????30??????????????????????????????,???

??????????,?????,??????????????????,???

???????“??????”,???????????,??“?”?

????????????????????????????????????,??????????

???????????????,??????????????????????«??????????????»?

????(??? ?????????)

???:???