National thermometer

The annual average temperature in Haikou is 25.8 degrees Celsius, with the highest in1-June and1-kloc-0/February. Only in the hot summer vacation, it was surpassed by Zhengzhou and Changsha in July and by Chongqing, Wuhan, Nanchang and Changsha in August. The city with the lowest annual average temperature is Harbin, with the lowest average temperature in 1, March, April,1,1and February.

Design concept

Knowledge goal of temperature distribution characteristics By reading the isotherm map, we can understand the temperature distribution characteristics in winter and summer in China and cultivate students' skills in interpreting and analyzing the isoline map. Learn to analyze the causes of temperature characteristics. Teaching emphasis: The main characteristics of temperature in China. The focus of teaching is the analysis, induction and generalization of the main characteristics of temperature in China. Compare the different landscapes of Hainan and Heilongjiang during the Spring Festival. ?