????:1????????:??????

2?????????

3???????

4?????????

5?????????????

??????????1?????7??(?? ?????)???????????????7?,?????????1?????????????13??????????????????17????

??????,???1?15???,????1???16?????????????,????????,?????????????????1?17?????,????????,??????????????????????????

?????????,??????????????????

?,?????,????????22???

?,??????????????????????????????????,?????????????????????,???????????????????????????????

???1??????????????????????????????????20???????(????) ?????????????:?????