?????7?31??????????????10?

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

??????????????????????7?31???? ??,??7????31??10???????????????????:?????7?31??????14?????8??????????1?????????????14???,??????????????????????????????????????????????????????????????8??????????????????,??,???????????10??,???????11????;????????????????????????????????????????????????????????????????????20??,????,???????????????????????50?,????80???

?????????:

1.??????????????????????????????????????????????????,??????????????;

2.??????????????????,?????????????????????;

3.?????,??,?;

4.???????????????????????????????????,??,?????;

5.?????????????????????????????????????,???????????????????? ????????????????????:???????????????