????: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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