Read the national meteorological drought and flood distribution map released by the National Climate Center on February 2, 2009, and answer the following questions. Question 1: Weather system causing

Read the national meteorological drought and flood distribution map released by the National Climate Center on February 2, 2009, and answer the following questions. Question 1: Weather system causing drought in North China

Question 1:C

Question 2:B

Test analysis:

Problem 1: updraft prevails in the cyclone center, with rainy weather; Controlled by quasi-static front, it will form rainy weather; Downflow prevails in the high pressure center, controlled by it, and the weather is sunny and dry; When the warm front crosses the border, it will form continuous precipitation, so C is correct.

Question 2: Remote sensing technology is an extension of human vision. It is a perceptual means to collect information. Mainly used for resource investigation, environmental monitoring, natural disaster prevention and monitoring.