There are various reasons for population migration, which have certain impacts on society, economy, ecology, and culture. Complete the question accordingly. Small question 1: In the following popula

There are various reasons for population migration, which have certain impacts on society, economy, ecology, and culture. Complete the question accordingly. Small question 1: In the following population

Small question 1: D

Small question 2: B

Exam paper analysis:

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Small question 1: The migration of immigrants from the Three Gorges Reservoir area to the eastern coast is due to economic factors caused by large-scale project construction; ① Wrong; farmers in western Ningxia moved out of arid areas due to water source factors, ② Correct; ③ Eastern The movement of educated youth to the western frontier is due to political factors, ③ is wrong; the migration of farmers in southern Shaanxi from disaster-prone mountainous areas is due to the influence of natural disasters, ④ is correct.

Small question 2: In an organized and large-scale immigration process, the population capacity of the moving area must be considered. Otherwise, it will bring about economic and social problems due to population migration, such as population pressure, resource constraints, social stability, etc. social and ecological environmental issues.

Comments: The key to solving this question is to master the main factors affecting population migration and analyze examples. This question can also be designed based on the impact of population migration on the destination and destination.