???????? ?????2??5????????06????:

?,2??5?????08?????????????6??08?,???????????????????????????????????????????????????????????????5~6??????7~8?????????,??????,??????????????????????????6~8????????9~11????;?????????????????????????????7~8????9~10??,??????9????????????????10???

2?6?08????????????7?08????,?????????????????????????????????????5~6????????????????7~8??,????,?????????????????6~8????????9~10?????????????;????????????????????????????????????7~8????????????????9~10?,??9????????????10????????????????????

??:

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

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

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

4??????,???

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

??

??:???????????,??????????,??????????????