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

2???????

3???????

4??????

5??????????

?????????????,????4.36??????????,??????????,????????????????????????1000??????19%?

???????????????,????????5450????????????????,??????????????????“????”???????????????,???????

???????,?????????????????????????????????????????????????????,??????????????????????????????????,???????????????????????,??????6453???,?3.9?????????????????

?? ????:?????????????????,???????“?????????”????????????,????,?????

????????????,???????????1/5???????????????,????????????????????????,????????????????“???”???????????????????????,???????120??160???,????8?????????????????,????????????,??,??????????24??????

?? ???????????:??,??,????,???1.44?????????1.85???????????,????67%?55%???????????????

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????,????????????????????????????????????????7500??????????,??5????90????????????????????120??,????7????14?????,????????

???,????????????????????????????????????,?????????????????????2????????1???41101??????????,???

????????,???????????“??”,????,??????????????????????????????????????????,???????????20%???????????????????,??98.7??????????????????23.6????

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