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

2???????100??

3????????

4????????

5?????

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

?,??,???????,????????????????

???,????????????????????,???,??????????????????????????????????????????????????????????,?????????????????????????????,?????60????????,???????????????

????????????,???????;???,???;?????????,?????90%?

????,“?????????”?????????????????????,????,60?????????34%,????????????????????????????????

?????????????????????,????????????????????????????????,????,??6???,???50%??????????,???????“??????????”??????????,??????????????????

????,2??????????????5?????????????,???????????????????????24%? ?????????:????????????