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

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

3??????vx

4?????????

5?????

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

 

????,????2000???????,??????????????1??8????,????

???????????,????,????,????????????????????????,??????????????!

??????????,?????????,????“?????,????????????????”???,???????????????,?????,??????????????,??????1.5?????

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