27. To maintain forests as valuable "carbon sinks," we may need to . [A] preserve the diversity of species in them [B] accelerate the growth of young trees [C] strike a balance among different plants [D] lower their present carbon-absorbing capacity
【参考答案及解析】
D
正在整理中,欢迎在文下评论区提供答案解析,谢谢!
D
正在整理中,欢迎在文下评论区提供答案解析,谢谢!