????:1?2021????????:???????

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???????

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