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

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

????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?????

???:??????