Which of these types of land has ecological functions? _____
A、cropland
B、built-up land
C、fishing grounds
D、fossil fuel land
绿色经济与中国实践

章节列表

1. Ecological and Environmental Issues.102. Textbooks and Practice103. Research Hotspots and Cutting Edge Research104. Circular Economy105. Low-Carbon Economy106. Green Economy107. Sustainable Development108. Ecosystem Services109. Ecological Footprint1010. Environmental Policy Assessment9Final Exam50