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