?????1?27???????????10?

??

???????????1?????????????27??????? ?,?1????????27??????????10?:

???????,1??27??????14??????1???????????????28??14??,???????????????????????????????????????,?(20~25??????????????????????);??????????5~15????,?????15???

????:?

??????????:

1.??;

2.??????????????????????????????????????,????????;

3.??,????,??;

4.?,??????;

5.??

???:???

?????????

??????????1?27???????????10??????

????????