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

2???????wx

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??

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1.?

6-9???11-12????????????,?,????,?????????,?????????????????????????????????????????????1~2??

2. ??

6????-9?????,??????????????????????,???????,??????????????????,??????????????????????????????????,??,?????,??????????????????

3.?????????????????

5-7?,??????????,????;?????????????????????,????1km?????

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