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

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

3???????

4?????????

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

??12?28??(??? ?)?28?,?(27?????),?322??????????????,????52???????,318?????

???,??7?????10??????(???????12?????????27?????????????1???5?????????????),??????,????????????

??,27?,???????????85.2%?

??,???????????????????47.8%,?,??????????28%??18?19??????????????????????????????,50??????????59???????????????

????,?17????????,?????,?17????????,?4??(?) ????:???