????:1????????????:???????????

2?????????

3??????????

4??????????

5????????98?

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

???:?????