Which item is usually unrelated to the excess of heavy metal pollutants in an area（）
A. Metal smelting and regeneration
B. Metal processing and manufacture
C. Use of metal products
D. Natural migration of metal substance on the earth surface
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The main function of a industrial system is（）
A. Promote the circulation of substance, energy and value in the industrial system
B. Converting natural resources into services or products that meet specific human needs
C. Affecting the natural surface environment system
D. Affecting the spatial distribution of matter and energy on the earth’s surface
The main human activities that cause global warming is（）
A. Human production and consumption activities
B. Human consciousness activity
C. Human sports activities
D. Human planting activities
What role does industry play in the relationship between humanity the environment（）
A. Industry is the core of human socio-economic system
B. Industry is the core of the relationship between material and Energy
C. Industry is the core of the human Socio-economic system and natural resource-environment system
D. Industry is the core of natural resources and environment system
Which of the following is out of the concerned environment problems in present course（）
A. Resource shortage
B. Some environmental pollutants exceed the standard
C. Ecological environment deterioration
D. Over-population
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