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Pine stumps have been found in discrete layers in peat deposits throughout western Europe and thus represent brief but distinct episodes of bog colonization by pine. Their occurrence implies conditions on the bog surface suitable for colonization, followed by inhospitable conditions for trees that nevertheless facilitated preservation of stumps. Thus, the (i)____________ of pine stumps can (ii)____________ climate change, by (iii)____________ the inference that bog surfaces had dried sufficiently to allow colonization and then became too wet to support the trees.
- Blank(i)
- loss
- resilience
- presence
- Blank(ii)
- proceed undeterred by
- vary independently of
- function as a proxy for
- Blank(iii)
- supporting
- repudiating
- articulating
presence , function as a proxy for , supporting 显示答案
以上解析由 考满分老师提供。
