?2???????????2?????????????????? (?????????????? ??????)??????2?,2??2??2?????3??,????????????????

????,??????????????????????????????????????6~8?;??????4~5???????????,??7~8??????????

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

???,2???????1?????????????,??????????,???????????????;??????????????????????????????,????,??????5?????????????????

?????,2???????????,??????????“??”,??,??????????????????????????????????;???????????????????,???????????????????,???3?????,???????????(??????) ???:??

??

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