?????????????
????2????2?????????? (????? ??)???????????2??????,2??2??????2???????????3???????????????,?????????????????
?,????????????????????????????6~8?;????4~5?????,?7~8??
??????????????,?????????????????,?????????????,??,??
?????????,2????????????1??,????????????????????????????????,??????????;?????????????????????,??????????????????,??????????5???
???????????????????,2??????,???????????“??????????”,??,?????????????????;??,????????????????????,????????3??,???(??) ????????????????:?????