?!??????14? ???7??????????9????

???????????? ?1???????????23?18?:

?????,?,1?23????20????1?????27????,???????8~12?,????14?????????????????,?4~6??,???????????7~9??;26??27??,??6~8??,??9~11??????????28????,????0????

?,1??23?????20??1??????25??20???,????????????????8~10?,?????,?????????????????????????12??????????????5~7????????????7~9?,????????????????5~7?????????8~10?????????????????????

??:

1.???????????;

2.????;

3.??????;

4.??