????:1????????298?????:????

2?????98?

3?????95?????

4?????????

5???????100?

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

?????????????

??????????7????????,??????,?????????,???????????

???????????,???????????????,????????,???????????????????????????????????????????20?,???????????????,??????????,??????????,??????10?,???????????????,??23?,????????9°C??13°C,??????????;??????????,16?????,?????????????????????????0??

?,??,??18????????????????,????,???????,18???????????19?????????,19?????????????????????15°C???,??????????????????,???,????????????????

???????

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

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

????????,??,16??,??,???????????????,16?????18????????????,???????,???????????????????????????????????????????????????????????????????????????,??????????,?????????,????,???

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

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