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

2?????????

3???????

4?????????

5???????

??????2???12????????????????????? ???12?????,???????????????????

2??????????12?,?????????????,????? ??????????????? ?? ????

??????????,???????????????????????????????????????,???????????98%?,????????????????????4?“???????????????”,“?????”????????????

????????,??,?“?”???,?“????”?,????“?????????????????????”?“????”,??,????

????:????