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

2?????

3??????????

4?????????

5???????

2??????????????????7??,??????????A?????????????,????

?????????????????????????,?2?????40??241????8???A?????????????????????????????????????????????????????

????,????1500????????,?????????2?????16???????????????538????????????“???????????,??,??????????,?????”????,?????

?????,??????????????,???????????500???1000?????

?,?????????????????????500?;???????????????????????????????1000?;?????????????????????1500???

(?? ? ???????????? ?????)

???:?????