????:1?????qq:???????

2??????????

3???????

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

5?????????

?????????????????12??????????13???? (??????????? ???????)?????(?????????“???”)?????,13??,?????100??80?????

????????????????,?????????(??)??????????????,?????,?????????????????100?????????????????????,?25%,????????????????????

???????80??,?????????“???????????????”????????????????????????,?????????????330???????20???,???????

????,??????????????????,???????,??,???????18????????????????,?????????55???????,??130?????????,???(?????????????) ??????????????????????:???