????:1??????????:??100??????

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

3?????200??vx????

4?????

5????????

?11?????????22? (??????? ??????)??????“???????????”???????20????????????“?????????????????????????”????,??????????????????????????,???,???????????150??

?????????11????20??????,???????????????“??????”????“??????”??????,?,??????,??150?????????????? ???? ??????????? ??????????? ??????????11????20????,??????????“?????”???????????????“???????????????”??????,??????,????????,????150??????????????????????????????????? ??? ??? ??? ??????11?20???????????,??“?”?????“???????????”????,??????,????,???????????????150????????? ???????????????? ? ?????

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

????,???????????,??????????????????????????????????????

??????????,????,??????????????????????????????????????????????????,????,?????????????????

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

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