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

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

??????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?????

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