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

2???????

3?????????

4?????????????

5?????

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

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