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

2????????????

3?????????

4????????98?

5???????wx

?7?17? ??,???????10?(7???????17-26?????????????),??????????????????????????????????????????????????????????????,???????60~120??????,????150~200????????????????,????300??;??3~7????,????1~2?????

?:

17-20????,?????????????????????????????????????????????,??,??????????????????????????????????,?,????

21-23??,?????????????????????????????????????,?????????,??????

24??,???????????????

21-24??????,???????????????

???????

??11-14?????????????????(7??27-30?),??????????????????????????????????40~80?????????????,?????????????????100~150???????????

?

1??????

20?????????????,????????????????21????,????,????????????????????,??,?????????????????,?????????????

2??????????????

??????10????,?????????????????????????????????????????????,?35~39?,??40????

3???

?????10??,??????1~2??,???????????????1??????

???:???