????1??23?? ????????????,?,????,1?23?27?,??8~12?,????????????????????????????????14???,??4~6???,??????7~9?????;26??27????????????,?6~8?????,??9~11?????????????????28??,??????????0?????

?,1???23??08?25?08??,???????????????????????????8~10?,???????????,?????????????????????12??????????????5~7????????7~9??,?????????????5~7??????????????8~10?????

???

??:

1?????;

2??????????;

3???????;

4????????????

?????:?????

??

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