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

2????????????

3?????????

4?600??2???qq

5???????

???????????????????,??12???????????1??,???????,?????????????????????“??”???,?????????????????????????,??,?????????4??????11????????????????,12??????3????????,????,??

???????4??????1???,???????????,?????5????????????10????,???1.1????????????????,?????4.09?,???42.6%?72.7%,?????????

(?? ???? ????????????? ) ???:???