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

2????????150??

3?????????

4??????????

5????????

?12??28???(???? ??????)28??,“??????????????????????????2000”??,?????

12?28??,???????????,“?2000”???????

“?2000”???,????????????????????136??????53?????????????10????????????,?????????????8??????,????????????,?80?????

??,???????2000?,?????20????,????????????????????

?,?,????????????95%,??????????????????(??????????????????????)

?????:???