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

2?????????

3???????????

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

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

???????????12???????18?? ??????,?????????,????????????????,????????????????????????????,??2~4?,????????????????????????10?????,?????????;?????????????????????????5~7?????????????????????8~10???

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?????,??,????????????????????????????????????,??????,????????????????????(5~7??)???????????????????????????????,?????

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????,?????,??19-21????,??????????4~6?,????????????????????6~8?;??????2~4???????????

???????,18-25??????3-5?,???????18-19????5?????,??????????????,??????????????????????

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