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

2??????????

3?????600

4???????

5????????

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

????,????????????«?????»,?????1000????,????????????????,?????????????100??,???????????????500?????????????????;??10????????,3???????????,???????

?????????????,????????????????????6??????????????????,??????????????,???????????,??????????,??????????,?????????????????5?????

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

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