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

2???????

3?????????????

4?????

5?????????

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

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

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

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

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