????:1???????100?????:???????????

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

3???????

4?????

5???????

??6??????????????20????????? (??????????????????)??20??????????,??????????,?????????7???????????20?????????????????????8???,??

??,??????????????????????31????,?70%???????,??60%,?74%?

???6???????????????,????,??72%;????????????????????????,??????????77%;???????????,???????????48%,?????130???????????????????????????????54.5????,????58%;?????????,???????????53%??????????76%?

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