???????????!???????? ?????????

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

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

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

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