???12???????????????????????????20? (???????? ????)??????????20??????????

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

?????????:??,??,??,????????

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

?????????????????:????? ??“????”

?? ??????????????????:??“???”

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

2??????????

3???????

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

5???????????

???12???????????????????????????20? (???????? ????)??????????20??????????

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

?????????:??,??,??,????????

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

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