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

2??????150

3??????????

4?????????

5???????

?12??????????????????????28??(???????????????)?????????????27????????“??”????,????12???????????28??,???????????????4???(????????)???12???29?????????????????,???2??

?????????????????????,??????????????????????,?????????????????,???,?????,«??»«???»«???»«????????»???????????????5?????????,?????????????

?????????????,????????????,??,?77????,???29????,????????,???100%,????????95%?

???????????????,????????????????,???70?????“???????????”(????????????????????????????????)???????????57?,?????????????????????81.4%???,???????5A???????????????????,?????????????????????????????????????????????????,????????5?????,?????????????????,??,???5A????????????,?????????????????5A???????????????29??????????????????,????24??,????5A???(???????) ??:??