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Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided on whether significant warming will occur and what impact will it have if it does.
(A) on whether significant warming will occur and what impact will it have if it does (B) on whether warming that occurs will be significant and the impact it would have (C) as to whether significant warming will occur or the impact it would have if it did (D) over whether there will be significant warming or the impact it will have (E) over whether significant warming will occur and what impact it would have E
Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided over whether significant warming will occur and what impact it would have.
这里为什么前面用will 后面用would 是虚拟语气吗? 还有 it 指代什么?
[此贴子已经被作者于2008-7-19 13:20:38编辑过] | 
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发表于 2008-7-19 13:18:00
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