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

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

?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??

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