??10????27????? (??????????????????? ????????????????????????)?????????27???????????????,?,????

?????????2?????????????????????????????,?????????,?????????????????????,?????,????????????????????,????????“??”?????,????????????????????????,?????

10?,??????????????????????????????,??????,?????????????

???????????????,???,????,??????????,???

??????????????,??“??”?,?????(??) ?????:??????? “????”_????

?? ???????????????????

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

2?????ppt

3??????????

4????98?

5????????

??10????27????? (??????????????????? ????????????????????????)?????????27???????????????,?,????

?????????2?????????????????????????????,?????????,?????????????????????,?????,????????????????????,????????“??”?????,????????????????????????,?????

10?,??????????????????????????????,??????,?????????????

???????????????,???,????,??????????,???

??????????????,??“??”?,?????(??) ?????:???????