???????:?11?7????8??????
????1?14???? ??,??1??????14??6?:??????,1??????14?8??15?8???????????,????????????????????????????????????????????????????5~6????????7~8????????????????????????????????????????????????????7~8?????????????????????9??
1?????????15?????????????8??16?8?,????????????????????????????????????????????????5~6???????????7~8?????????????????????????????????????????????7~8????????????9??????,??????????9???????????????10???
????:
1??????????,????;
2????????????,???????;
3??????????,????????????;
4?????,???
?????:????
??
???:????