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

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

3?????????

4??????

5??????????

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

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