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

2??????????

3??????????

4??????????

5???????

???????????????2?21???????????????????????? (??????? ?????????)??????20?,???????????«??»????????????????????????????????????7????????????????????????????,??

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

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??????????????,???????????????????????????????,????????????????????????????,?????13??????

????,?????????,????1???????????????12????97%?

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???2??????1???????????????????,???,??????????????????????25%??,??10%???????2??????????????????????3?,??????,??????????,??????????????????30????????????????????????????????????????????????????2???????????????????10???,?3?????12????25%???????(??????) ?????:??