A
A.Resource, environment, society, economy资源、环境、社会、经济
B
B.Atmosphere, water body, soil, interstellar大气、水体、土壤、星际
C
C.Material production, fabrication & manufacture, use of product, Waste recovery and recycling材料生产、产品加工、产品使用、废物回收与再生
D
D.None of the above以上都不对
