????:1?????qt??:?????

2??????????

3???????

4??????????

5??????

???11????????27??? (?? ??)?????????????????????27?,????????????????????,?,?????????????

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

?????????????????????20??????????????????,????????11?22???????????????????,?70??,??????????6????

?300???,??8.6%????8.7%????????????,??,?????????????????????(??????) ??:??????????????????