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Scientists generally consider a wholesale melting of the Greenland or West Antarctic ice sheets in the twenty-first century unlikely, even if global warming continues, Nevertheless, because scientific knowledge of the dynamics of land ice sheets is(i)_____________,there is a possibility that the risk of
significant melting of land ice(ii)_____________
- Blank(i)
- substantial
- rudimentary
- empirical
- Blank(ii)
- can be minimized
- will not increase
- has been underestimated
rudimentary , has been underestimated 显示答案
以上解析由 考满分老师提供。
