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

2??????????

3?????????????

4???????

5?????????

?????2??8????????????????????????? (????? ????????????????)??????8?????????????,????????2???(???:???????)??????????????,??????????

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

???11?????????????????????50?,?2?(????????:??????????????)???,????,???????????

??,????????????10?????30???????3??,????,?????????????????,????????????????????????????????????

????,?????????50?????,??????????????????????????????????????????????????????25?????????????????,????

???,??????,?,??????19???30????(?)

???:???