In the figure, the solid line is the isobar, and the dotted lines M and N are the front lines. Answer the following questions according to the pictures. Question 1: The weather system shown in the fig

In the figure, the solid line is the isobar, and the dotted lines M and N are the front lines. Answer the following questions according to the pictures. Question 1: The weather system shown in the figure is () A. The northern half.

Question 1:A

Question 2: A.

Test analysis:

Question 1: Read the picture. Because M and N are frontal lines, the illustrated area is frontal cyclone. According to the wind vane symbol in the figure, one end of a short line is the wind direction, so it can be judged that the moving direction of the front is counterclockwise convergence, so it is a frontal cyclone in the northern hemisphere, a pair. B, c and d are all wrong.

Question 2: According to the analysis of the above questions, there is a cold front on the left side of the picture, and the precipitation is behind the front. ① It is rainy and ② it is sunny. There is a warm front on the right, with precipitation ahead, rainy weather and sunny weather. ⑤ Located in the center of cyclone, there are many updrafts, which may be rainy weather. So A is right. B, c and d are all wrong.