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

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

3???????

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

5????????

??????????2????????7??? (?????? ????)????55????,?????????7????????????,?????(?)????????????????1000????,??31.1%?

??????????????,??(?????????)??22???????????????????????? ?

?????,????(????????)?,??22??????????????????????????????????????????????????????????“??”???????????????

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

??,??????????“?????????”?????,??????(???)?????,????7×24???,?????????????,????????,???

????????????????,???(????????)???????4????????????,????85???(???????????????????)

???????:??