6??????????8?? ????????9~10?

?????2?????????????????6????????? ????,?(2??????????????5?????????????),??????????????????????????????????????????????????????????7~9?,??????10~13???????,??????????????????????????

6????8?,?????????,?????

????????????????????????,?????6~8?,????????????????????????10???????????;??4~6?,??????7~8?,??????????10???????8?,??????0????????,??????8~10?,????????12????

?????,????????????????,??4~6?????????????7~8????,??????,???????????9~10????;????7~8??????????9~11?????6???????????

6?????????7????????????,????,?????????????????????????????????????????????????????????,6????7??????????,??,??;??????????

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