????:1???95??98?:??????????

2??????

3??????

4???????

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

?12???????????????????19? ?,??,??????????????????19?21?,??????;??,???????????????,???????????????????

??

19??????21?????,????,???????????????????4~6?,??????2~4?,???????,??????6~8?,??10???????????????????????????????????4~5?,??6~8?;????6~8????9~10??

??12??????19?????????????6?:?????????????,12???????????19???8??20?8?,??????????????????????????5~6???????????????7~8??,?,????6~7????????????????????8~10????;?????????????????????????????7~8??????????????????9?????????,?????????????????????9?????????????????10~11????????????

????????????(12??????19???8?-20?????8?????)

???????????

?,?????,??,?????

??,19??21?,???????????????????;????????,???????20?????????????????21?,??????????????????,??????

???????????

12??19????8??20????8????????,??????????????????????????????????????????????????????????????????????????????????????????????????????????????????4~6????????,?,?????7?????;??????????????????????????????????7~8???????9???

??????(12??19?8????????-20????????????8????????)

12????20??????8?21?8????,???????????????????????????????????????????????????????????,????,???????(5~8??????)???????????????????????????????????????????????4~6?????;??????????7~8??

????(12????20?8????-21????????8?)

12??21??8????22????8?????????????,????????????????????????????????????????,???????????????????,????(5~9????????)?????????????????????????????????

??(12????????21??8???????-22???????????8????) ??:?????