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

2??????????

3???????

4?????????

5????????

??1??16????????? ??«??»????,15?,??,???30?8??????9?“???????”????,???????????“???80%”,????????“?????????70%??80%”?

????????????????????????,?????????????“30???”?,10???“???????????????30%”,20??????“????????60%”,?????

??????,“??,?????????10???????????????????????,??(?)???” ????:?????????