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

????:???????4???:??????

?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?????

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