Pictures are common weather systems, and different weather processes are related to weather systems. Look at the picture and answer questions 6-7. 6. The weather system of the picture explains the cor

Pictures are common weather systems, and different weather processes are related to weather systems. Look at the picture and answer questions 6-7. 6. The weather system of the picture explains the correspondence. A, according to the air pressure, A is low-pressure and rainy weather, so it does not meet the meaning of the question;

B and B are high pressure, and there is plenty of sunshine in the control area, so it does not meet the meaning of the problem;

C, according to the air mass, C is the cold front, the cold front is the rain behind the front, and B is the front, which does not meet the meaning of the question;

D and D are warm fronts, which may form continuous precipitation during transit, so they are correct.

Therefore, choose: d.