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

2????????????

3?????vx

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

5?????

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

?????????????????????,????,?????????????,????????????????«????»?????????:“???????,??”????,???“????????????????”????????,???????????????????????

??????

????????????????????,???????????????????800??????1500?,????????????,??????«?????????????????(???)»?????:“????,??????,?????”

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

?????????

“??????,???????”???????????????,???????????????,??????,???«???????????????»?????????:“?????????,???????????????”?????????“???????????”???????,?????,?????????????????

???????????

???????,???????????????,??????????«???????????????»???:“?????,????????”??????????,???????????:“????,?????????????”???????,???????????????????????????,????????,?????

??

????“???????”??????????????,?????????,???“???????”????,“???”??????????????,??????????????????“????????”????????????90????“????”,??????????,???????????,?????????,???????

??????

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