????:1?300??????????:?????????

2???????

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

4???????

5????????

????6?28??? (????)??(?????“???????”)28????,??“???”??7??????????????

???????,????????????????2000?,???

????,?1000??,???????????“??????”“???????”“???????”??“??????”????,??1000??????

??,???5000??,??????????????300????????????????,??????1000????????(?????600?????????????)????????????????????CD???????????????3000????????????,?????????????1000?????????????????????????????????????,????????????????????????

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