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

2??????????

3??????

4?????

5???????

???11???????4????????????? (?)?,3?,???????????????4????????,?????

4??9?????????????????????,????????,????????????????10?????????????????15???,????,?????????

11?4????????????????,?,????????????? ???? ???????

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

?????????????,?????????40?,???????

“????,??????,??????”?????????,?????????????????????????10???????????,“?????20???????,???,???????”?

11?????????4?,?,?????????????????????????????????????? ? ???????????????

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

??????????,??????????????????17???????????????????????????23?????????????????????????????????6???????????????????500????????,?????????????????????

11????????4??????????,???????????????????? ????????? ???????????????

??????????,4?,?,????????????,???,???????????,???????

??????????13???????????????????????????30??????????????????????????????????,???????(???????????????)

??:??