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

?????,????????????????????????,?????6~14?,???10?????15?????“????????”????????????????

???,????14??????????20?,????????????????,??????????!???

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

??,??????????????????????????????,?????????????????????????10??????????????????,??2????????????????????6~8??;??0????,?????????10????????

????,???????“??”?,???

?????,????????15??16??????????,??????????????,?????????15~20??????,??????????????20???15??9°C,16??????????17°C;????????????????????15??????????????11°C,16???17°C?

?????????????,2???????????????,?????????????????“??”?

??15??????????17??????,??,????????????,??,????4~8?,??10??

????????,16???????,????,???????????????,??????????5°C??????????????????

17???????????,??????????,???“??”?

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

????,???????????????,??,???,???,????~

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

??

??:???????????,??????????,??????????????