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

3??????2???????

4?????????

5??????

?12???????????18?? ??,??,?,????????????????????,?,?????18-19????????:19-21????????????????????????

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19?21??????,?????????????????,???????4~6?,?????????????6~8?;??2~4?????????????????4~6?,???????????7~8?,?8~9??????????????6~8?????????????9??????????,??????? 8~9 ?????10-11???????

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18??????,?,?????2~4???,18??????08?19??08??,??????????????5~7??????????8~10???????;??????????????????7~8???9~10???????????,?????9??????10~11??????????12??????18??????6??

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12?18????8??????????????19?8????????,????????????????????????????????????????????????????????,????,??????????(5~7??)???????????????,???????????????????????????????????????????????????????????4~6????,??,??????????7~8??

?(12???????????????18??8??????-19?????????????8???????)

12????19??????????8?????????????????????20??????8??,??????????????????????????????????????????????????????????????????????4~6??

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12??20??8?????????????????21??8?,???????????????????????????????????????,??,??????????(5~8??????????????????)???????????????????????????????????????????????????4~6????????

?(12????????????????20??????????????????8??-21?????8?) ??:??????????