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

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

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

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

??:??

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

1.??;

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

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

4.????????,???;

5.??????????????????

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