??
????6???????
??????????????????????????:
???????8??????????8?,???????????????????????????????????????????????????????????????????????5~6?????????????????????????????7~8??????????,?,???????????????9~10???????????????????????????????????6~8???????????9~11????
????:
2??6????????,????????????????,??6~8?,?????????????????????10???????????????;??????4~6?,?????????7~8?,?10????????????8??,???????0??????????????????,??????8~10?,?12????????????????
??????????
? ?????????????:?????????,????????????????,?????,????,??4~6???????,??7~8?????????????,???,???????????????,????????8~9???,???
??
?,????????6??????,????????????8~9?????????????????????,????,??????4??????????????,????????6~7????????
???? ??????
????????????????,???????????????,????,???????,?????,??,???????????????,?????????????,??
?????????? ?????
??????,???,???????
? ?????????????
?,????????,??????????????,??,????????????????,??????
???????????????:?????????????
??????,?????!???????????9?????????????????????