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题库 / Prep2007E2-SC-47
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.
on whether significant warming will occur and what impact will it have if it does
on whether warming that occurs will be significant and the impact it would have
as to whether significant warming will occur or the impact it would have if it did
over whether there will be significant warming or the impact it will have
over whether significant warming will occur and what impact it would have
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A，divided on whether significant warming will occur anddivided on what impact will it have if it does，改成what impact it will have，whether做连词，后面接从句构成divided的宾语从句，不用从句疑问句形式；what impact做divided的宾语，it will have相当于省略了that，作定语从句修饰what impact，不用疑问句形式
E用would是因为divided是过去式，would表示从过去看的将来
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