????: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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