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

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

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

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