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14.____ he will offer us enough help doesn't matter a lot to our success.(  )
A.IfB.WhetherC.BeforeD.How

分析 他是否给我们提供足够的帮助对于我们的成功没有多大影响.

解答 答案:B.
根据句子的后半部分doesn't matter a lot to our success可知,前面的主语部分应该是一个表示疑问的句型,结合句意可知,此处指的是"是否",用whether来引导主语从句;故选B.

点评 本题考查名词性从句,要会分析句子的成分,并且掌握whether引导名词性从句表示的是一种不确定性.

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