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

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

3?300??????????

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???????

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