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

2????????95?98?

3???????????

4??????????

5??????????

?????????????10?30????????? (? ?)??????,??21?????????“???????”(????)?????????????????30????????14?465???,????“??????????”????????15-20??????????????????,???????,???31??

???«??????»??,??????

??????????????21???????????????“?????????????”??????????????,???10????30???????31?,??????????????8???????12??,???????????6??????????9?,????????4???????????????7?,??????????;?3.5????????5.5??????????,????????,???3????????????????4????????,????,??????2?????????3??,?????????????????????????????????????????

???10???30???????????31???????,???????30??????????????70???????,??40????100??????????????????,?????????

????;??????????????,?????????;?????????,??????(????????????) ???:???????