The following figure shows the weather map of sea level isobar (hectopascals) in East Asia on February 6, 2065438 14. Look at the picture and answer the following questions. Question 1: At this time,<

The following figure shows the weather map of sea level isobar (hectopascals) in East Asia on February 6, 2065438 14. Look at the picture and answer the following questions. Question 1: At this time,

Question 1:D?

Question 2:B

Test analysis:

Question 1: It can be seen from the isobar diagram that Shanghai is affected by the high pressure center at this time, and the high pressure is downward flow, sunny and dry, D pair; Typhoon is the center of low pressure, A is wrong; It is difficult to form a front at the center of high pressure, and BC is wrong.

Question 2: The air pressure in the center of weather system A is 998 hectopascals, which is much lower than the surrounding area, indicating that it is being affected by typhoon (gale, rainstorm and storm surge), and B is right; Drought is affected by high pressure (or rain shadow area, etc.). ), A is wrong; Cold wave and sandstorm are formed on the cold front, and CD is wrong.