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

2?????????150?

3???????a???

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

5???????100?????

?????????:?,??????,??“????”?

???:???

????,??????????????????????,???12????????????

19???????

2???????????????????????6??????????????????,??600???????????????????????????,??????????????????????19??,??2????15??,????????

??:“?????????????”??? ????????

??????????,??“??????????????????”???????????????600???????????????????,????????????1??,?,???

?????????????????,????1000????,?????100??????????,???

??:?????+???? ???

????????????,????“????????????+??”???2???5???????????,?????????500??????,??????7??????,???????????????????????????????????

??????“??????????”,?????????????“????”,??????????????22???????????????????,????2??????????

?“??????????????????” ??????????

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

???,????????????????????????????????????,?????????,???98%,????????????????2????????????????????????3000??????????

????????,????????????????????????????????????????????10???,??? ?????????:??????