????:1?????500:??????????200

2???????

3???????100????

4?????????

5?????????

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

10????????????????,?????????????????,????????????0.7??????????????????????????,10????????????,??9??????????????17.1??????????

???10??????,?????????????????41????,??????????27??????9??,?,????????9????????????????????22.3????,?????????????????????17.8????????????????????????,?????4.5%,??????????

????????????????????,10???????????????,????????????12.9%,???????????1.9?????????????????????,????????????????73.3%?48.8%?

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

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