????????????????????

????:??800:??????????

?????1????????????????????5?? ??????,????10?????(1??5-14???????????????),????????????????

?????????????????10??????,????,?????2~8????,????????????????????????????????????????????????????15~25?????????????????????????

???????????????10?????????,?,?,????2~3????????????????1~2??

???:

6-9??????????,?????????????????,??4~6???,???????????????????????????????????8???????????????????;???????4~5????????????,?????6~8??????????????

6??-9??,????????????????????????,??????????,?,????????????????????????????,????,??,????????????

10-12??????????????,??,?????????????????,?????????

??????????????????

????????11-14??(1?15-18??????????),??????????????????2~5??,?10???????????;???????????

????11-14?????,?,??????????1~2?,?,???????????????????????????2~3??

????

1.???????????????

6-9????11-12????,????????,??????,??,???????????1~2??

2. ??????

6??????-9??????,??????????????????????,??????????????????,????,??????????????????????????????????,??,?,????????????????

3.????????????????

5-7????,?????????????????????????????????????????,??;?????????,??????1km???

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