????:1??????????:??500???????

2???????

3????200????

4???????

5???????

????????11????22???????????????? (????? ??????????)22?????????????,?????????????,??????????????????????????“??”??,????????????,???????????????????????,???

11??22?????????????,??????? ????

?,??36??,??????????,??????????,???????????????????????????

???????????,??????????????????????????,????10???,?????????????????????,??????????????“???????????????????”???,???????2200?????,?????????64%,???????????,???,?????,??

11???22???????,??????????????????? ???

?????????????????,??,??????????????8????????????????,?????????????????????????2000????????6???????????????“F?”,??

?,????????????,?????????????,???????????;?????,???????????

????????????????????????,??????????????????????????????????,????,??????????????????“????”,?????????????,???“??”?????????????????????????(?????)

??:?????????