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

2?????

3????????

4?????????

5???????

??11?????????4?????????????? (????? ??? ??????)???????????(??)???????,11?????????????1??????????20?,?????????,??????,???????????????“??11”??????????,??“?????”“?”“???????”“?????”?????????????????????????

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????,???????????????????????,????????????????????,?50%???

??20?????????????“?11”????,??,??????????30?,????,???????????,?????????????????

????????,????????????,??????????????,??,????????????????????????????“?????”,??5??“???????????11”??????????????,??300????????(??????????????????) ???????????:????