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

2??????????

3?????200??500????

4???????

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

??????????8??19?????????(???)???«??»?????????????????,???????11?????26??????????????????30?????????????18?????,????????????????????100???????????,??500??????????,?????

??,??30%????????????????,?500?????????????60%,???,????

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

???:??,??????????????????????,?????????????????????????????100???????????????????

?,?????,??????? ????????????????:??