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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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if choice a actually has the original wording posted at the beginning of this thread ('will it' instead of 'it will'), then it's definitely wrong. 'will it' is only ok in the context of a question ('will it rain tomorrow?'), and can't be used as a noun phrase.
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