The following four weather charts reflect the weather process of a cold wave. Answer the question 1: According to the process of the cold wave weather.

Question 1:C

Question 2:B

This question examines the weather system.

Question 1: The occurrence process of cold wave in China is generally from the north to the east and south. The cold wave in Figure C is located in the northern frontier of China, Figure B has moved to North China, Figure D is in the Qinling Mountains and Huaihe River, and Figure A has reached the middle and lower reaches of the Yangtze River, so the answer is C.

Question 2: Wuhan is located in the middle reaches of the Yangtze River, and the cold wave in picture A has just passed, so it may be low temperature and rainy weather, so option A is wrong; In figure B, the cold wave just arrived in Tianjin, which is generally cooled by strong winds and may have rain and snow, so choose B; The location of the cold wave in Figure C is on the northern border of China, and Beijing is controlled by a single heating mass at this time, so it is impossible to have a thunderstorm, so C is wrong; The cold wave in the D picture is located in North China, and Hangzhou is controlled by a single heating mass, which is sunny and mild, and it is impossible for it to rain continuously, so D is wrong.