???12???????20????????? ?????????????????????????????????????????20????,??????,“??????”?????????,?????????,???“?????????????????????”???????????

????,?????????????,????????????????????????,????“???????????”????,??????????“?????”??????????,?????????4??:????;????????????;???????;???????

?????:?????? “??500?4????????”_????

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

????:1???500?4????????:???????QQ?

2?????????

3?????

4????????60??

5?95??????

???12???????20????????? ?????????????????????????????????????????20????,??????,“??????”?????????,?????????,???“?????????????????????”???????????

????,?????????????,????????????????????????,????“???????????”????,??????????“?????”??????????,?????????4??:????;????????????;???????;???????

?????:??????