?????????????? ??????????

??

?????????????????????10?????????,???????

?????????????????,??,??8.2?,?1???????,??0.7????????????????3.9?????7.9??????13???????????????;????,??????????????????????????,?????????,??1???????????

???,“??????????,???????????????”????????????,???????????????????????,???????????!

??,????????????,??????,?????????20??????????,21??20???????????,??????????????,21???????22?,?22???????20?,??????????,??,???

??,???????????,?????????????????????80????,????,??“????????”???????????????,???????????“??????????”??????,???????????????????,?????“???????????”??????????12????2??????????????????????0.5?????????????????????????,????????,?????????

??????,?????????:????,??????????????????,???????????????????,23??????,????,???????????????,24-27????????,?8~12??????????14~16????????????,????,???

?????????????????????????,???????????,????,???????????,??,???

?????????????????23???,??,???????,?????,???,???

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

?????????

??????????????????? ???????????????

????????