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

2???????

3??????????

4???????

5???????

??12????????????????????21????????? (????????????????????????? ?)?????????21??85??11?,??“??????????”?

????20??366???????????????34???????????????????????3??????14?????????12???20??????????“??”????????,????????????????????????1000???????????????????100????

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

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

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

19???????,???,??????????????????????

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