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

2????????

3???????????

4?????

5????????????

??7???17??????? ??,??????????7??17??????10????:

????7??17???14?18??????????14?????????????,???????????????????????????????????????8??????,?????????????????,????????????????????????????10??????,??11???????;??????,??????????????????????????????????????????????????????????????????????????????????????????????????20??,??,???????????????????????50????,????????????????????????????????80??

???,?????

????????:

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

2.?,??????;

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

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

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

?????:?????