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

??

???????2???????????????17? ?,??17????????

??????10??(2????7-16?),???????????????????????,????

??10?????????,???????????????????????????,???????1~2?,?????????????????????3????

?????????????????10??(2?17-26???????),??????????10~30??,???????????????40~80??????,??100?,????4~8????,??

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

?10??????????,?????,????,??,????????????1~2??

??:????

17????,????????????????????,??????????4~6?????????????????????????????4~6??????????????7~8?????;????????????????????????????????????7?????????8????????????,????????????8???????9??

17-23??,????,??????????

?????11-14????????????????(2??27??3???2??),???????????????????????????5~15?,????????????????20??;??????????

??????????10?????????????,????,?????????????????????????40~80???????,?????100???????,????????????4~8?????????????????17-23?,??????,???????????????????????

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

?????????

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

????????