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

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

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

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