?? ????????????????????
????:1?????????:???????
2???????
3?????
4?????
5??????????
??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??????????????
??:??????