??1????????????????????????8??????????????? (?)1??????????????????7?????????9?5????,???6.8??????????????,?????4??(??,?),??????????

??,?????????1??????????????7??18???,???????????202???????????????????????252?,?4???????????;??500??????????????????????

??,?????????????????,??4?,??????????????????????????????????????,????57?;??50??,????????4?×5?????????????,??21?30???????????????????;?,?????????????????????????????,?,??(??)

????:??? ??“???????”

?? ?????????6.8?????????????

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

2??????????????

3????????

4???????????

5?????wx

??1????????????????????????8??????????????? (?)1??????????????????7?????????9?5????,???6.8??????????????,?????4??(??,?),??????????

??,?????????1??????????????7??18???,???????????202???????????????????????252?,?4???????????;??500??????????????????????

??,?????????????????,??4?,??????????????????????????????????????,????57?;??50??,????????4?×5?????????????,??21?30???????????????????;?,?????????????????????????????,?,??(??)

????:???