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

2??????

3?????????400

4???????

5??????????

??????????????6??17???????? ??,?????6????17?????????????????????????????????????06??????:???17???????????,???????????????????????????????????????????????????35~36??????????,??,????????????????????????????????????????????????37~39?,???40?????

??????????????18?,???????????????????????????????37~39??,????40?????

?:????

?:

1.?????????????;

2.???????;

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

4.?????

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