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

2?????90????????

3??????????

4?????????

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

?????????6???????15? (? ??)??15??????????????????????????????

?,?(??)????,????????????,??

???????????????????????????????????? ??? ???

?,???15?????????????,????????????????????????????,??????????,??,??,???

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

??,????????????,???????????????????????????????18??24?,???5?????,???6??53????????????????????,????24??31??,???????12??30???????????????????????????,??19??????????????49????????????,??????6????45??????????????,???????????19??????34?,???11??????(????????)

???????????:?????