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

2?????????

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

4????24????????

5?????600?????

??????????????,????????1.7????,?????????????6.3????????????????????1??????????10???????????,????????????????2.6?????????

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

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

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

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

?? ????:?????????28.6?????,?700???,?8500??,???12??????????(?) ???:???