????: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???,??,?????????????????“??”?

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

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

??:???