????:1???????80??:????100????

2??????????

3??????v

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

5????????

?????????2??????12?????? (?????????? ??????)12???????????????????????????,????,??????????????“????????????????”????????????,????????

?????????2????????12??????,?“?”????,????????????? ????????????????????????? ?????????????

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

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

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

??2?????????????????12????????????????,????????“???????????????????”??????????? ??????? ???????? ???????

?????,????????????????????????????????,???????????,?????????????????????,?,???,??????????,?????????,???????????????,????????????(????)

???:??????