?2???7?(?????? ??? ?????????)????????????7??,??????????????????11?~13?,??????,?,?????????

?????????(2???8????????????????????????~14?),?,????????,???,?????????????????(12???????)?,??????,????

??,2?8??~9???,????????????????????5~6?????????????7???,10????????13?~14?5???????6~7??,???????;11??????~13????????????,?,??(?) ??????????????:??? “??????”_????

?? 2??11?13???????????

????:1???????:????v

2?????????

3??????????

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

5???????

?2???7?(?????? ??? ?????????)????????????7??,??????????????????11?~13?,??????,?,?????????

?????????(2???8????????????????????????~14?),?,????????,???,?????????????????(12???????)?,??????,????

??,2?8??~9???,????????????????????5~6?????????????7???,10????????13?~14?5???????6~7??,???????;11??????~13????????????,?,??(?) ??????????????:???